Bibby, C. J., Burgess, N. D., & Hill, D. A. (1993). Bird census techniques (3. print.). Acad. Pr.
Chicago Style (17th ed.) CitationBibby, Colin J., Neil D. Burgess, and David A. Hill. Bird Census Techniques. 3. print. London u.a: Acad. Pr, 1993.
MLA (9th ed.) CitationBibby, Colin J., et al. Bird Census Techniques. 3. print. Acad. Pr, 1993.
Warning: These citations may not always be 100% accurate.