APA aipamena

Viney, P., Cawood, G., & Duckworth, M. Streamline english. Directions teacher's Editions (3a ed.).

Chicago Style aipamena

Viney, Peter, Graham Cawood, and Michael Duckworth. Streamline English. Directions Teacher's Editions. 3a ed.

MLA aipamena

Viney, Peter, et al. Streamline English. Directions Teacher's Editions. 3a ed.