Gaya APA

Timberlake, K, C. (2007). General, Organic, and Biological Chemistry Structures of Life (ed.2). upple saddle river: pretnce hall.

Gaya MLA

Timberlake, Karen, C.. "General, Organic, and Biological Chemistry Structures of Life". ed.2 upple saddle river: pretnce hall, 2007. Text.