Gaya APA
Katz,William A.. (1982).
Introduction to reference work:basic information sources Vol.1 .
New York:
McGraw Hill.
Gaya Chicago
Katz,William A..
Introduction to reference work:basic information sources Vol.1.
New York:
McGraw Hill,
1982.
Text.
Gaya MLA
Katz,William A..
Introduction to reference work:basic information sources Vol.1.
New York:
McGraw Hill,
1982.
Text.
Gaya Turabian
Katz,William A..
Introduction to reference work:basic information sources Vol.1.
New York:
McGraw Hill,
1982.
Print.