Gaya APA
Stewart, David W.. (1984).
Secondary research : information sources and methods .
London:
Sage.
Gaya Chicago
Stewart, David W..
Secondary research : information sources and methods.
London:
Sage,
1984.
Text.
Gaya MLA
Stewart, David W..
Secondary research : information sources and methods.
London:
Sage,
1984.
Text.
Gaya Turabian
Stewart, David W..
Secondary research : information sources and methods.
London:
Sage,
1984.
Print.