MLA

Willemsen, Tine Mariëtta. Groups In Discussion : a Methodological and Substantial Study of Interaction In Small Groups. Meppel: Krips Repro, 1984.

APA

Willemsen, T. Mariëtta. (1984). Groups in discussion : a methodological and substantial study of interaction in small groups. Meppel: Krips Repro.

Chicago

Willemsen, Tine Mariëtta Groups In Discussion: A Methodological and Substantial Study of Interaction In Small Groups. Meppel: Krips Repro, 1984.