Gaya APA
Sheldon,leslie. (1987).
Elt Textbooks and Material:Problem in Evaluation And Development .
London:
Modern English Publication.
Gaya Chicago
Sheldon,leslie.
Elt Textbooks and Material:Problem in Evaluation And Development.
London:
Modern English Publication,
1987.
Text.
Gaya MLA
Sheldon,leslie.
Elt Textbooks and Material:Problem in Evaluation And Development.
London:
Modern English Publication,
1987.
Text.
Gaya Turabian
Sheldon,leslie.
Elt Textbooks and Material:Problem in Evaluation And Development.
London:
Modern English Publication,
1987.
Print.