APA Style

Enger, Eldon D. (2010). Environmental science: a study of interrelationships . Enfield: McGraw Hill.

Chicago Style

Enger, Eldon D. Environmental science: a study of interrelationships. Enfield: McGraw Hill, 2010. Buku Teks.

MLA Style

Enger, Eldon D. Environmental science: a study of interrelationships. Enfield: McGraw Hill, 2010. Buku Teks.

Turabian Style

Enger, Eldon D. Environmental science: a study of interrelationships. Enfield: McGraw Hill, 2010. Buku Teks.