APA

Viney P., Viney K., . (2006). In English. Pre-Intermediate. New York: Oxford University Press.

Chicago

Viney P, Viney K, . 2006. In English. Pre-Intermediate. New York: Oxford University Press.

Harvard

Viney P., Viney K., . (2006). In English. Pre-Intermediate. New York: Oxford University Press.

MLA

Viney P, Viney K, . In English. Pre-Intermediate. New York: Oxford University Press. 2006.