Gaya APA
Dubin, Robert. (1978).
Theory building (Revised).
New York:
The Free Press .
Gaya Chicago
Dubin, Robert.
Theory building.
Revised
New York:
The Free Press ,
1978.
Text.
Gaya MLA
Dubin, Robert.
Theory building.
Revised
New York:
The Free Press ,
1978.
Text.
Gaya Turabian
Dubin, Robert.
Theory building.
Revised
New York:
The Free Press ,
1978.
Print.