Gaya APA
CRESWELL, J, W., FAWAID, A, [.
(2017).
Research Design:
(
Ed. 4)
.
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
CRESWELL, John, W., FAWAID, Achmad, [penerj.].
"Research Design:".
Ed. 4
Yogyakarta:
Pustaka Pelajar,
2017.
Buku.