Gaya APA
Dubin, Robert. (1978).
Theory building, Ed.rev. .
New York:
Collier Macmillan Publishers.
Gaya Chicago
Dubin, Robert.
Theory building, Ed.rev..
New York:
Collier Macmillan Publishers,
1978.
Buku Teks.
Gaya MLA
Dubin, Robert.
Theory building, Ed.rev..
New York:
Collier Macmillan Publishers,
1978.
Buku Teks.
Gaya Turabian
Dubin, Robert.
Theory building, Ed.rev..
New York:
Collier Macmillan Publishers,
1978.
Buku Teks.