Cita APA (7th ed.)

PHILLIPS JACK J. (1999). HRD TRENDS WORLDWIDE. GULF PUBLISHING CO.

Cita Chicago (17th ed.)

PHILLIPS JACK J. HRD TRENDS WORLDWIDE. HOUSTON: GULF PUBLISHING CO, 1999.

Cita MLA (9th ed.)

PHILLIPS JACK J. HRD TRENDS WORLDWIDE. GULF PUBLISHING CO, 1999.