Zwickel, F. C., & Bendell, J. F. (2004). Blue grouse: Their biology and natural history. NRC Research Press.
Cita Chicago (17th ed.)Zwickel, F. C., i James F. Bendell. Blue Grouse: Their Biology and Natural History. Ottawa: NRC Research Press, 2004.
Cita MLA (9th ed.)Zwickel, F. C., i James F. Bendell. Blue Grouse: Their Biology and Natural History. NRC Research Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.