Title: Behaviour and Social Evolution of Wasps: The Communal Aggregation Hypothesis, Author: Yosiaki Itï
Title: Social Evolution in Ants, Author: Andrew F.G. Bourke
Title: Evolution of Social Insect Colonies: Sex Allocation and Kin Selection / Edition 1, Author: Ross H. Crozier
Title: Foundations of Social Evolution, Author: Steven A. Frank