Gaya APA

Hesselgrave, D, J., Rommen, E. (1989). Contextualization : Meanings, Methods and Models . Grand Rapids, Michigan, USA: Baker Book House.

Gaya MLA

Hesselgrave, David, J.., Rommen, Edward. "Contextualization : Meanings, Methods and Models". Grand Rapids, Michigan, USA: Baker Book House, 1989. Academic.