APA ציטוט

SKINNER, B. J. Physical geology#Brian J. Skinner, Stephen C. Porter. John Wiley & Sons.

Chicago Style (17th ed.) Citation

SKINNER, Brian J. Physical Geology#Brian J. Skinner, Stephen C. Porter. John Wiley & Sons.

ציטוט MLA

SKINNER, Brian J. Physical Geology#Brian J. Skinner, Stephen C. Porter. John Wiley & Sons.