Gaya APA
Harris, M. (1984).
Practice for a purpose: writing activities for classroom, lab. and self-study .
Dallas:
Houghton Mifflin Company.
Gaya MLA
Harris, Muriel.
"Practice for a purpose: writing activities for classroom, lab. and self-study".
Dallas:
Houghton Mifflin Company,
1984.
Text.