Tohutoro APA (7th ed.)

Eastwood, J. (1992). Oxford practice grammar (ed.). Oxford University Press.

Tohutoru Kātū Chicago (17th ed.)

Eastwood, John. Oxford Practice Grammar. ed. Hong Kong: Oxford University Press, 1992.

Tohutoro MLA (9th ed.)

Eastwood, John. Oxford Practice Grammar. ed. Oxford University Press, 1992.