APA (7e ed.) Bronvermelding

Avila, D. M., Cruz, M. B. L., & Trajano, M. G. (2013). Effective writing: A worktext. Mutya Publishing House, Inc.

Chicago (17e ed.) Bronvermelding

Avila, Dorcas M., Ma. Beatriz L. Cruz, en Mercedes G. Trajano. Effective Writing: A Worktext. Malabon City: Mutya Publishing House, Inc, 2013.

MLA (9e ed.) Bronvermelding

Avila, Dorcas M., et al. Effective Writing: A Worktext. Mutya Publishing House, Inc, 2013.