APA (7. basım) Alıntı

SPENCER, E. W. (1983). Physical geology. Addison-Wesley.

Chicago Style (17. basım) Atıf

SPENCER, Edgar Winston. Physical Geology. Reading: Addison-Wesley, 1983.

MLA (9th ed.) Atıf

SPENCER, Edgar Winston. Physical Geology. Addison-Wesley, 1983.