Gaya APA
Freeman, W, A., Swanson, C, P. (1999).
Princiles of modern chemistry study guide and student solutions manual .
San Diego:
San Diego: Sounders College; 1999.
Gaya MLA
Freeman, Wade, A.., Swanson, Carl, P..
"Princiles of modern chemistry study guide and student solutions manual".
San Diego:
San Diego: Sounders College; 1999,
1999.
Text.