Gaya APA
Richards keit, Roe Peter. (1994).
Distance learning in Elt .
London:
Macmilan.
Gaya Chicago
Richards keit, Roe Peter.
Distance learning in Elt.
London:
Macmilan,
1994.
Text.
Gaya MLA
Richards keit, Roe Peter.
Distance learning in Elt.
London:
Macmilan,
1994.
Text.
Gaya Turabian
Richards keit, Roe Peter.
Distance learning in Elt.
London:
Macmilan,
1994.
Print.