Dyfyniad APA

Drucker, P. F. (1974). Management: Tasks, responsibilities, practices. Heinemann.

Dyfyniad Arddull Chicago

Drucker, Peter F. Management: Tasks, Responsibilities, Practices. London: Heinemann, 1974.

Dyfyniad MLA

Drucker, Peter F. Management: Tasks, Responsibilities, Practices. Heinemann, 1974.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.