Gaya APA

Macdonald, D, W. (2006). The Encyclopedia of Mamals Vol II Primater,Shrews,Bats,Weasels and Seals (2nd.ed). NewYork: Facts on File.

Gaya MLA

Macdonald, David, W. "The Encyclopedia of Mamals Vol II Primater,Shrews,Bats,Weasels and Seals". 2nd.ed NewYork: Facts on File, 2006. print.