APA-viite

Drucker, P. F. (1981). Toward the next economics and other essays. Allied Publishers.

Chicago-tyylinen lähdeviittaus

Drucker, Peter F. Toward the Next Economics and Other Essays. Bombay: Allied Publishers, 1981.

MLA-viite

Drucker, Peter F. Toward the Next Economics and Other Essays. Allied Publishers, 1981.