Cowcher, H. (1991). Tigress. Scholastic Inc.
Chicago Style aipamenaCowcher, Helen. Tigress. New York: Scholastic Inc, 1991.
MLA aipamenaCowcher, Helen. Tigress. Scholastic Inc, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Cowcher, H. (1991). Tigress. Scholastic Inc.
Chicago Style aipamenaCowcher, Helen. Tigress. New York: Scholastic Inc, 1991.
MLA aipamenaCowcher, Helen. Tigress. Scholastic Inc, 1991.