Cita APA (7a ed.)

Carkhuff, R. R. a. (2000). Human possibilities: Human capital in the 21st century. Possibilities Publishing.

Cita Chicago Style (17a ed.)

Carkhuff, Robert R autor. Human Possibilities: Human Capital in the 21st Century. Amherst: Possibilities Publishing, 2000.

Cita MLA (9a ed.)

Carkhuff, Robert R autor. Human Possibilities: Human Capital in the 21st Century. Possibilities Publishing, 2000.