MLA

Roberts, B.C, and L Greyfié de Bellecombe. Collective Bargaining In African Countries. London: Macmillan, 1967.

APA

Roberts, B., & Greyfié de Bellecombe, L. (1967). Collective bargaining in African countries. London: Macmillan.

Chicago

Roberts, B.C., and L Greyfié de Bellecombe. Collective Bargaining In African Countries. London: Macmillan, 1967.