APA ציטוט

RAHN, P. H. Engineering Geology#an environmental approach#Perry H. Rahn. Prentice Hall.

Chicago Style (17th ed.) Citation

RAHN, Perry H. Engineering Geology#an Environmental Approach#Perry H. Rahn. Prentice Hall.

ציטוט MLA

RAHN, Perry H. Engineering Geology#an Environmental Approach#Perry H. Rahn. Prentice Hall.