Gaya APA
Kirkpatrick, C.A.. (1966).
Salesmanship (Keempat).
Ohio:
South-Western Publishing.
Gaya Chicago
Kirkpatrick, C.A..
Salesmanship.
Keempat
Ohio:
South-Western Publishing,
1966.
Book.
Gaya MLA
Kirkpatrick, C.A..
Salesmanship.
Keempat
Ohio:
South-Western Publishing,
1966.
Book.
Gaya Turabian
Kirkpatrick, C.A..
Salesmanship.
Keempat
Ohio:
South-Western Publishing,
1966.
Book.