APA aipamena

LEET, L. D. (1954). Physical geology L. Donald Leet, Sheldon Judson. Prentice Hall.

Chicago Style aipamena

LEET, L. Donald. Physical Geology L. Donald Leet, Sheldon Judson. Prentice Hall, 1954.

MLA aipamena

LEET, L. Donald. Physical Geology L. Donald Leet, Sheldon Judson. Prentice Hall, 1954.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.