Styl cytowania APA

Loen, R. O. (1971). Manage more by doing less. McGraw Hill book co.

Styl cytowania Chicago

Loen, Raymond O. Manage More by Doing Less. New York: McGraw Hill book co, 1971.

Styl cytowania MLA

Loen, Raymond O. Manage More by Doing Less. McGraw Hill book co, 1971.