Gaya APA

Bolkestein, M, H, M, H, A, M. (1998). Functional Grammar and Verbal Interaction . : John Benjamins Publishing Company.

Gaya MLA

Bolkestein, Mike, Hannay;, Michael, Hannay;, A., Machtelt. "Functional Grammar and Verbal Interaction". : John Benjamins Publishing Company, 1998. Text.