Gaya APA
Riemsdijk, H, V., Williams, E. (1986).
Introduction to the theory of grammar .
London:
The Massachutes Intitute of Technology.
Gaya MLA
Riemsdijk, Henk, Van., Williams, Edwin.
"Introduction to the theory of grammar".
London:
The Massachutes Intitute of Technology,
1986.
Text.