Gaya APA
THOMSON, A., MARTINET, A. (1964).
A practical english grammar for foreign student, exercise 6 : .
London:
Oxford University Press.
Gaya MLA
THOMSON, A.J.., MARTINET, A.V..
"A practical english grammar for foreign student, exercise 6 :".
London:
Oxford University Press,
1964.
Buku.