Gaya APA

JOHNSON, GEORGE B.. (2008). The living world (ED.5). Boston: McGraw-Hill Higher Education.

Gaya Chicago

JOHNSON, GEORGE B.. The living world . ED.5 Boston: McGraw-Hill Higher Education, 2008. TANDON.

Gaya MLA

JOHNSON, GEORGE B.. The living world . ED.5 Boston: McGraw-Hill Higher Education, 2008. TANDON.

Gaya Turabian

JOHNSON, GEORGE B.. The living world . ED.5 Boston: McGraw-Hill Higher Education, 2008. TANDON.