MLA

Jonkers, Roel. Comprehension and Production of Verbs In Aphasic Speakers. Groningen: s.n., 1998.

APA

Jonkers, R. (1998). Comprehension and production of verbs in aphasic speakers. Groningen: s.n.

Chicago

Jonkers, Roel Comprehension and Production of Verbs In Aphasic Speakers. Groningen: s.n., 1998.