APA aipamena

SMITH, E. T. (1951). Exploring Biology. Harcourt Brace.

Chicago Style aipamena

SMITH, Ella Thea. Exploring Biology. Harcourt Brace, 1951.

MLA aipamena

SMITH, Ella Thea. Exploring Biology. Harcourt Brace, 1951.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.