Gw mau tau Lihat pula dari Pacaran

Fletscher, D. J. C.; Tribe, G. D. Natural emergency queen rearing by apis mellifera adansonii ii. In African Bees: Taxonomy, Biology and Economic Use; Fletscher, D. J. C., Ed.; Apimondia: Pretoria, South Africa, 1977; pp. 132–140.