Gaya APA

KEETON, William T.. (). Biological Science (3rd.ed). London: W.W. Norton and Copmapny.

Gaya Chicago

KEETON, William T.. Biological Science. 3rd.ed London: W.W. Norton and Copmapny, . Teks.

Gaya MLA

KEETON, William T.. Biological Science. 3rd.ed London: W.W. Norton and Copmapny, . Teks.

Gaya Turabian

KEETON, William T.. Biological Science. 3rd.ed London: W.W. Norton and Copmapny, . Teks.