Gaya APA
Swastha, B.
(1990).
Asas-Asas Marketing Jil.1
(
1)
.
Yogyakarta, DIY:
UGM.
Gaya MLA
Swastha, Basu.
"Asas-Asas Marketing Jil.1".
1
Yogyakarta, DIY:
UGM,
1990.
Text.