Simon, S., & Friedman, E. (1985). 101 questions and answers about dangerous animals. Macmillan ; Collier Macmillan.
Cita Chicago (17th ed.)Simon, Seymour, i E. Friedman. 101 Questions and Answers About Dangerous Animals. New York : London: Macmillan ; Collier Macmillan, 1985.
Cita MLA (8th ed.)Simon, Seymour, i E. Friedman. 101 Questions and Answers About Dangerous Animals. Macmillan ; Collier Macmillan, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.