APA aipamena

CLARKE,George L. (1954). ELEMENTS OF ECOLOGY. McGRAW - HILL BOOK COMPANY,Inc.

Chicago Style aipamena

CLARKE,George L. ELEMENTS OF ECOLOGY. NEW YORK: McGRAW - HILL BOOK COMPANY,Inc, 1954.

MLA aipamena

CLARKE,George L. ELEMENTS OF ECOLOGY. McGRAW - HILL BOOK COMPANY,Inc, 1954.