Gaya APA

THOMSON, A., Martinet, A. (1986). A Practical english grammar/ A.J.Thomson, A.V.Martinet . New York: Oxford University Press.

Gaya MLA

THOMSON, A.J.., Martinet, A.V.. "A Practical english grammar/ A.J.Thomson, A.V.Martinet". New York: Oxford University Press, 1986. Text.