David Cook, V. P., & Tenney, i. E. (1982). <Os >grandes felinos. Verbo.
Chicago Style aipamenaDavid Cook, Valerie Pitt, and il. Eric Tenney. <Os >grandes Felinos. Verbo, 1982.
MLA aipamenaDavid Cook, Valerie Pitt, and il. Eric Tenney. <Os >grandes Felinos. Verbo, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.