APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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