Dunbar, R., Duncan, N., & Nettle, D. (1995). Size and structure of freely forming conversational groups. Walter de Gruyter, Inc. New York.
Dyfyniad Arddull ChicagoDunbar, R., N. Duncan, and D. Nettle. Size and Structure of Freely Forming Conversational Groups. Walter de Gruyter, Inc. New York, 1995.
Dyfyniad MLADunbar, R., et al. Size and Structure of Freely Forming Conversational Groups. Walter de Gruyter, Inc. New York, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.