APA (7e ed.) Bronvermelding

Smith, M. A., & Ylvisaker, M. (1993). Teacher's voice: Portfolios in the classroom. National Writing Project.

Chicago (17e ed.) Bronvermelding

Smith, Mary Ann, en Miriam Ylvisaker. Teacher's Voice: Portfolios in the Classroom. Berkeley: National Writing Project, 1993.

MLA (9e ed.) Bronvermelding

Smith, Mary Ann, en Miriam Ylvisaker. Teacher's Voice: Portfolios in the Classroom. National Writing Project, 1993.