APA način citiranja

Zelko, H. P. (1969). Business conference: Leadership and participation. McGraw-Hill.

Čikaški stil citiranja

Zelko, Harold P. Business Conference: Leadership and Participation. New York: McGraw-Hill, 1969.

MLA način citiranja

Zelko, Harold P. Business Conference: Leadership and Participation. McGraw-Hill, 1969.