Barber, E. G., Darby, W. P., & Morgan, R. P. (1990). Choosing futures: U.S. and foreign student views of graduate engineering education. Institute of International Education.
Παραπομπή σε μορφή Chicago (17η εκδ.)Barber, Elinor G., William P. Darby, και Robert P. Morgan. Choosing Futures: U.S. and Foreign Student Views of Graduate Engineering Education. New York: Institute of International Education, 1990.
Παραπομπή σε μορφή MLA (8th εκδ.)Barber, Elinor G., et al. Choosing Futures: U.S. and Foreign Student Views of Graduate Engineering Education. Institute of International Education, 1990.
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