APA ציטוט

ENGER ELDON D. (2013). ENVIRONMENTAL SCIENCE (13TH ED.). MC GRAW HILL.

Chicago Style (17th ed.) Citation

ENGER ELDON D. ENVIRONMENTAL SCIENCE. 13TH ED. NEW YORK: MC GRAW HILL, 2013.

ציטוט MLA

ENGER ELDON D. ENVIRONMENTAL SCIENCE. 13TH ED. MC GRAW HILL, 2013.