Gaya APA

Camphell, N, A., J., I, R, J, B, I, S, E. (2007). Essential biology with physiology . New Jersey: .

Gaya MLA

Camphell, Neil, A.., J., I., Reece,, Jane, B., II., Simon,, Eric. "Essential biology with physiology". New Jersey: , 2007. Text.