APA aipamena

Leftwich, V. P., & Weaver, L. (1971). Composition of the earth|h. bMilliken.

Chicago Style aipamena

Leftwich, Virginia Powers, and Larry Weaver. Composition of the Earth|h. St. Louis, Mo: bMilliken, 1971.

MLA aipamena

Leftwich, Virginia Powers, and Larry Weaver. Composition of the Earth|h. bMilliken, 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.