Gaya APA
Narbuko, D, C.
(1986).
Pedoman Membuat Research Proposal Research Design
.
Semarang:
IAIN Walisongo 1986.
Gaya MLA
Narbuko, Drs., Cholid.
"Pedoman Membuat Research Proposal Research Design".
Semarang:
IAIN Walisongo 1986,
1986.
Text.