Gaya APA
Wragg, E.C.. (1974).
Teaching Teaching .
U.S.A:
David & Charles, Inc.
Gaya Chicago
Wragg, E.C..
Teaching Teaching.
U.S.A:
David & Charles, Inc,
1974.
Text.
Gaya MLA
Wragg, E.C..
Teaching Teaching.
U.S.A:
David & Charles, Inc,
1974.
Text.
Gaya Turabian
Wragg, E.C..
Teaching Teaching.
U.S.A:
David & Charles, Inc,
1974.
Print.