APA

Paterson K., . (1996). Grammar Spectrum 1. New York: Oxford University Press.

Chicago

Paterson K, . 1996. Grammar Spectrum 1. New York: Oxford University Press.

Harvard

Paterson K., . (1996). Grammar Spectrum 1. New York: Oxford University Press.

MLA

Paterson K, . Grammar Spectrum 1. New York: Oxford University Press. 1996.