Gaya APA
Douglas, S, P. (1995).
(PASCA - MANAJEMEN - ADMINISTRASI BISNIS) Global Marketing Strategy (Edisi 1).
Singapore:
Mc Graw-Hill International Book Company.
Gaya MLA
Douglas, Susan, P..
"(PASCA - MANAJEMEN - ADMINISTRASI BISNIS) Global Marketing Strategy".
Edisi 1
Singapore:
Mc Graw-Hill International Book Company,
1995.
.