Cita APA (7th ed.)

Fenton, T. P., & Heffron, M. J. (1984). Third World resource directory. Orbis Books.

Cita Chicago (17th ed.)

Fenton, Thomas P., i Mary J. Heffron. Third World Resource Directory. Maryknoll, N.Y: Orbis Books, 1984.

Cita MLA (9th ed.)

Fenton, Thomas P., i Mary J. Heffron. Third World Resource Directory. Orbis Books, 1984.