World Health Assembly Geneva, Switzerland, & Martin, A. E. (1977). Health aspects of human settlements: A review based on the technical discussions held during the 29th World Health Assembly, 1976. World Health Organization.
Dyfyniad Arddull ChicagoWorld Health Assembly Geneva, Switzerland, and A. E. Martin. Health Aspects of Human Settlements: A Review Based on the Technical Discussions Held During the 29th World Health Assembly, 1976. Geneva: World Health Organization, 1977.
Dyfyniad MLAWorld Health Assembly Geneva, Switzerland, and A. E. Martin. Health Aspects of Human Settlements: A Review Based on the Technical Discussions Held During the 29th World Health Assembly, 1976. World Health Organization, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.