Freidus, A. J. (1977). Sumatran contributions to the development of Indonesian literature, 1920-1942. Asian Studies Program, University of Hawaii.

Freidus, Alberta Joy. Sumatran Contributions to the Development of Indonesian Literature, 1920-1942. [Honolulu]: Asian Studies Program, University of Hawaii, 1977.

Freidus, Alberta Joy. Sumatran Contributions to the Development of Indonesian Literature, 1920-1942. Asian Studies Program, University of Hawaii, 1977.