Cita APA (7th ed.)
Shaeffer, S., & Nkinyangi, J. A. (1983). Educational research environments in the developing world.
Cita Chicago (17th ed.)
Shaeffer, Sheldon, i John A. Nkinyangi. Educational Research Environments in the Developing World. 1983.
Cita MLA (9th ed.)
Shaeffer, Sheldon, i John A. Nkinyangi. Educational Research Environments in the Developing World. 1983.
Atenció: Aquestes cites poden no estar 100% correctes.