Pentony, D. V. E., Derichs, M., & Segal, M. (1960). The Underdeveloped lands: A dilemma of the international economy. Chandler.
Cita Chicago (17th ed.)Pentony, De Vere Edwin, Marilyn Derichs, i Morley Segal. The Underdeveloped Lands: A Dilemma of the International Economy. San Francisco, Calif: Chandler, 1960.
Cita MLA (9th ed.)Pentony, De Vere Edwin, et al. The Underdeveloped Lands: A Dilemma of the International Economy. Chandler, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.