Lawrence, S. L. (1990). Fowl language: An opera for singing chickens and a six-pack of wolves. CPP/Belwin.
Cita Chicago (17th ed.)Lawrence, Stephen L. Fowl Language: An Opera for Singing Chickens and a Six-pack of Wolves. Miami, Fla: CPP/Belwin, 1990.
Cita MLA (9th ed.)Lawrence, Stephen L. Fowl Language: An Opera for Singing Chickens and a Six-pack of Wolves. CPP/Belwin, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.