Gaya APA

Drucker, P, F. (1986). Management: Tasks, Responsibilities, Practices . United States of America: Truman Talley Books.

Gaya MLA

Drucker, Peter, F.. "Management: Tasks, Responsibilities, Practices". United States of America: Truman Talley Books, 1986. GEN - Bacaan/Seri Non-Fiksi.