Cita APA (7th ed.)

Sharman, E., Dean, M., Sikorzynska, A., & Mrozowska, H. (2006). New Opportunities, Education for life: Intermediate. Language Powerbook (1a. ed.). Pearson Education Limited.

Cita Chicago (17th ed.)

Sharman, Elizabeth, Michael Dean, Anna Sikorzynska, i Hanna Mrozowska. New Opportunities, Education for Life: Intermediate. Language Powerbook. 1a. ed. Essex: Pearson Education Limited, 2006.

Cita MLA (9th ed.)

Sharman, Elizabeth, et al. New Opportunities, Education for Life: Intermediate. Language Powerbook. 1a. ed. Pearson Education Limited, 2006.