Gaya APA
Behavioral research: theory, procedure and design. (1978).
San francisco:
W.H. Freeman and Co..
Gaya Chicago
Behavioral research: theory, procedure and design.
2nd.
San francisco:
W.H. Freeman and Co.,
1978.
Buku.
Gaya MLA
Behavioral research: theory, procedure and design.
2nd.
San francisco:
W.H. Freeman and Co.,
1978.
Buku.
Gaya Turabian
Behavioral research: theory, procedure and design.
San francisco:
W.H. Freeman and Co.,
1978.
Buku.