APA Style
Salesmanship Principles and Methods. (1971).
Indonesia:
Elex Media Komputindo.
Chicago Style
Salesmanship Principles and Methods.
1st edition.
Indonesia:
Elex Media Komputindo,
1971.
Text.
MLA Style
Salesmanship Principles and Methods.
1st edition.
Indonesia:
Elex Media Komputindo,
1971.
Text.
Turabian Style
Salesmanship Principles and Methods.
Indonesia:
Elex Media Komputindo,
1971.
Print.