Cita APA

Drucker, P. F., & Peter F. Drucker. Managing oneself. Boston, Mass: Harvard Business Press.

Chicago Style Citation

Drucker, Peter F., i Peter F. Drucker. Managing Oneself. Boston, Mass: Harvard Business Press.

Cita MLA

Drucker, Peter F., i Peter F. Drucker. Managing Oneself. Boston, Mass: Harvard Business Press.