APA (7e ed.) Bronvermelding

Goldstein, B., & Baigent, M. (2011). English unlimited: Advanced Self-study Pack. Workbook with DVD-ROM. C1 (1a. ed.). Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Goldstein, Ben, en Maggie Baigent. English Unlimited: Advanced Self-study Pack. Workbook with DVD-ROM. C1. 1a. ed. Cambridge University Press, 2011.

MLA (9e ed.) Bronvermelding

Goldstein, Ben, en Maggie Baigent. English Unlimited: Advanced Self-study Pack. Workbook with DVD-ROM. C1. 1a. ed. Cambridge University Press, 2011.