Gaya APA
Classroom teaching skills. (1993).
London:
[s.n.].
Gaya Chicago
Classroom teaching skills.
.
London:
[s.n.],
1993.
Text.
Gaya MLA
Classroom teaching skills.
.
London:
[s.n.],
1993.
Text.
Gaya Turabian
Classroom teaching skills.
London:
[s.n.],
1993.
Print.