Emerson, R. (1967). Africa and United States policy. Prentice-Hall.
Dyfyniad Arddull ChicagoEmerson, Rupert. Africa and United States Policy. Englewood Cliffs: Prentice-Hall, 1967.
Dyfyniad MLAEmerson, Rupert. Africa and United States Policy. Prentice-Hall, 1967.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.