Gaya APA
Poucher, W. (1979).
Perfumes Cosmetic & SOAPS Volume 1 .
Philadelphia:
Dept.of Chemistry Faculty of Science Univ.of Indonesia.
Gaya MLA
Poucher, W.A.
"Perfumes Cosmetic & SOAPS Volume 1".
Philadelphia:
Dept.of Chemistry Faculty of Science Univ.of Indonesia,
1979.
Text.