Gaya APA
Beale, J, M., Block, J, H. (2011).
Wilson and Gisvold's Textbook of Organic Medicinal dan Pharmaceutical chemistry (12th.ed).
Philadelphia:
Wolters Kluwer.
Gaya MLA
Beale, John, M.., Block, John, H..
"Wilson and Gisvold's Textbook of Organic Medicinal dan Pharmaceutical chemistry".
12th.ed
Philadelphia:
Wolters Kluwer,
2011.
.