National Agricultural Library (United States), Blanchard, J. R., & Farrell, L. (1981). Guide to sources for agricultural and biological research. University of California Press.
Цитирование в стиле Чикаго (17-е изд.)National Agricultural Library (United States), J. Richard Blanchard, и Lois Farrell. Guide to Sources for Agricultural and Biological Research. Berkeley: University of California Press, 1981.
Цитирование MLA (9-е изд.)National Agricultural Library (United States), et al. Guide to Sources for Agricultural and Biological Research. University of California Press, 1981.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.