Urban Population Survey 1977, Papua New Guinea. Bureau of Statistics, & Shadlow, J. (1978). Madang: Housing, population, education and training, economic activity and migration. Bureau of Statistics.
Chicago-Zitierstil (17. Ausg.)Urban Population Survey 1977, Papua New Guinea. Bureau of Statistics, und John Shadlow. Madang: Housing, Population, Education and Training, Economic Activity and Migration. Port Moresby: Bureau of Statistics, 1978.
MLA-Zitierstil (9. Ausg.)Urban Population Survey 1977, et al. Madang: Housing, Population, Education and Training, Economic Activity and Migration. Bureau of Statistics, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.