Gaya APA
Stewart, David W.. (1993).
Secondary research : information sources and methods .
Newbury Park:
SAGE Publications.
Gaya Chicago
Stewart, David W..
Secondary research : information sources and methods.
Newbury Park:
SAGE Publications,
1993.
Text.
Gaya MLA
Stewart, David W..
Secondary research : information sources and methods.
Newbury Park:
SAGE Publications,
1993.
Text.
Gaya Turabian
Stewart, David W..
Secondary research : information sources and methods.
Newbury Park:
SAGE Publications,
1993.
Print.