Gaya APA
Katz, William A. (1978).
Introduction to reference work .
New York:
McGraw-Hill.
Gaya Chicago
Katz, William A.
Introduction to reference work.
New York:
McGraw-Hill,
1978.
Text.
Gaya MLA
Katz, William A.
Introduction to reference work.
New York:
McGraw-Hill,
1978.
Text.
Gaya Turabian
Katz, William A.
Introduction to reference work.
New York:
McGraw-Hill,
1978.
Print.