Gaya APA

Freeman,Marcia, Mitten,Luana. (2009). Rourke's World of Science Enscyclopedia Vol 1: Human Life . Florida: Rourke Publishing.

Gaya Chicago

Freeman,Marcia, Mitten,Luana. Rourke's World of Science Enscyclopedia Vol 1: Human Life. Florida: Rourke Publishing, 2009. Text.

Gaya MLA

Freeman,Marcia, Mitten,Luana. Rourke's World of Science Enscyclopedia Vol 1: Human Life. Florida: Rourke Publishing, 2009. Text.

Gaya Turabian

Freeman,Marcia, Mitten,Luana. Rourke's World of Science Enscyclopedia Vol 1: Human Life. Florida: Rourke Publishing, 2009. Print.