Gaya APA

Duggan, W, &, J, R. (1976). Tanzania and Nyerere: a study of Ujamaa and nationhood. . Maryknoll: Orbis.

Gaya MLA

Duggan, W.R., &, John, R.Civille. "Tanzania and Nyerere: a study of Ujamaa and nationhood. ". Maryknoll: Orbis, 1976. Buku.