True, D. (1993). Hummingbirds of North America: Attracting, feeding, and photographing. University of New Mexico Press.
Цитирование в стиле Чикаго (17-е изд.)True, Dan. Hummingbirds of North America: Attracting, Feeding, and Photographing. Albuquerque: University of New Mexico Press, 1993.
Цитирование MLA (8-е изд.)True, Dan. Hummingbirds of North America: Attracting, Feeding, and Photographing. University of New Mexico Press, 1993.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.