Gaya APA
Research Design and Methods: A Process Approach. (2016).
New York:
McGraw-Hill.
Gaya Chicago
Research Design and Methods: A Process Approach.
9.
New York:
McGraw-Hill,
2016.
Buku.
Gaya MLA
Research Design and Methods: A Process Approach.
9.
New York:
McGraw-Hill,
2016.
Buku.
Gaya Turabian
Research Design and Methods: A Process Approach.
New York:
McGraw-Hill,
2016.
Buku.