Gaya APA

Oram, R, F., Oram, R, F. (). Biology: Living Systems (Cet. 5). OHIO: Charles E. Merrill Publis.

Gaya MLA

Oram, Raymond, F.., Oram, Raymond, F.. "Biology: Living Systems". Cet. 5 OHIO: Charles E. Merrill Publis, . Text.