Gaya APA
O.Tsokos, R, D, W. (1981).
Concepts of General ,Organics & Biological Chemistry (--).
New Jersey:
Houghton Mifflin Company.
Gaya MLA
O.Tsokos, Robert, D,, Whilaker,E.Fernandez,Janice.
"Concepts of General ,Organics & Biological Chemistry".
--
New Jersey:
Houghton Mifflin Company,
1981.
Text.