APA aipamena

Katz, W. A. (1978). Introduction to reference work (3rd ed.). McGraw-Hill.

Chicago Style aipamena

Katz, William Armstrong. Introduction to Reference Work. 3rd ed. New York: McGraw-Hill, 1978.

MLA aipamena

Katz, William Armstrong. Introduction to Reference Work. 3rd ed. McGraw-Hill, 1978.