Other sources state that "homeboy" originated during the Viet Nam War era in the military, and referenced two soldiers being from the same hometown.

Austrian sources attributed blame to Rudolf Maister, and referenced him in some accounts as the Butcher of Maribor.

No textual sources reference the site, and archaeological excavations are the only source of further information.

Other sources reference the company's receiving the baby T-Rex as an allusion to other exploitative entrepreneurs depicted in King Kong.

Shaun Morgan has stated that the song is about his former girlfriend Amy Lee, but other sources reference a more recent relationship.

There are several different families of Tsallis distributions, yet different sources may reference an individual family as "the Tsallis distribution".

Ira Wade, a noted expert on Voltaire and Candide, has analysed which sources Voltaire might have referenced in learning of the event.

In 1976, another source referenced the Shanghai Inn restaurant operating within the boundaries of the Chinatown.

While many sources will simply reference the characters, some of the most frequently referenced (and parodied) scenes include:

His ethnic background is not clear, and sources reference him as an Iranian.