(1990). Natural history of social wasps and bees in equatorial sumatra. Saporo: Hokkaido University Press.
Trích dẫn kiểu ChicagoNatural History of Social Wasps and Bees in Equatorial Sumatra. Saporo: Hokkaido University Press, 1990.
ציטוט MLANatural History of Social Wasps and Bees in Equatorial Sumatra. Saporo: Hokkaido University Press, 1990.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.