APA Style

Inc, R, R, N, A. (1977). Sumatra regional planning study part b: final report book 1 . Washingon DC: Robert R. Nathan Associates, Inc.

MLA Style

Inc, Robert, R., Nathan, Associates,. "Sumatra regional planning study part b: final report book 1". Washingon DC: Robert R. Nathan Associates, Inc, 1977. Text.