Gaya APA
Wright, Tony. (1987).
Roles of teachers and learners .
Oxfors:
Oxford University Press.
Gaya Chicago
Wright, Tony.
Roles of teachers and learners.
Oxfors:
Oxford University Press,
1987.
Text.
Gaya MLA
Wright, Tony.
Roles of teachers and learners.
Oxfors:
Oxford University Press,
1987.
Text.
Gaya Turabian
Wright, Tony.
Roles of teachers and learners.
Oxfors:
Oxford University Press,
1987.
Print.