(1994). The Asian waterfowl census 1987-91: Distribution and status of Asian waterfowl. Gloucester, UK: International Waterfowl and Wetlands Research Bureau.
Styl cytowania ChicagoThe Asian Waterfowl Census 1987-91: Distribution and Status of Asian Waterfowl. Gloucester, UK: International Waterfowl and Wetlands Research Bureau, 1994.
Styl cytowania MLAThe Asian Waterfowl Census 1987-91: Distribution and Status of Asian Waterfowl. Gloucester, UK: International Waterfowl and Wetlands Research Bureau, 1994.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..