APA (7th ed.) Zitazioa
Parker, S. T., & McKinney, M. L. (1999). Origins of intelligence: The evolution of cognitive development in monkeys, apes, and humans. Johns Hopkins University Press.
Chicago Style (17th ed.) Zitazioa
Parker, Sue Taylor, eta Michael L. McKinney. Origins of Intelligence: The Evolution of Cognitive Development in Monkeys, Apes, and Humans. Baltimore, Md.: Johns Hopkins University Press, 1999.
MLA (9th ed.) Zitazioa
Parker, Sue Taylor, eta Michael L. McKinney. Origins of Intelligence: The Evolution of Cognitive Development in Monkeys, Apes, and Humans. Johns Hopkins University Press, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.