APA ציטוט

SAWKINS, F. J. A text in physical the evolving earth#Frederick J. Sawkins et.1l. Macmillan Publ.

Chicago Style (17th ed.) Citation

SAWKINS, Frederick J. A Text in Physical the Evolving Earth#Frederick J. Sawkins Et.1l. Macmillan Publ.

ציטוט MLA

SAWKINS, Frederick J. A Text in Physical the Evolving Earth#Frederick J. Sawkins Et.1l. Macmillan Publ.