Gaya APA
Metodologi Research Jilid 1. (1991).
Yogyakarta:
Andi.
Gaya Chicago
Metodologi Research Jilid 1.
Ed.2, Cet.23.
Yogyakarta:
Andi,
1991.
.
Gaya MLA
Metodologi Research Jilid 1.
Ed.2, Cet.23.
Yogyakarta:
Andi,
1991.
.
Gaya Turabian
Metodologi Research Jilid 1.
Yogyakarta:
Andi,
1991.
.