Bananas and coffee have also proven unreliable sources of income.

Various inaccurate or simply wrong claims in the text make it an unreliable source.

Maintenance payments on those units then became an unreliable source of building income.

The trouble was that some of the most interesting data came from unreliable sources.

Mailer is a particularly unreliable source because he clearly had an obsession about the woman.

"It is possible that information is being provided by unreliable sources," he said.

Wind may be considered an unreliable source of electricity due to its intermittent nature.

It is a very unreliable source for early Swedish history.

Because readers might wonder why they would be going to unreliable or uninformed sources.

Another similarly unreliable source counts 50.000 volumes or fewer for the year 1839.