Gaya APA
Martin, J., Halliday,M.A.K, . (1993).
Writing science : literacy and discoursive power .
London:
The Falmer Press.
Gaya MLA
Martin, J.R., Halliday,M.A.K, .
"Writing science : literacy and discoursive power".
London:
The Falmer Press,
1993.
Text.