Gaya APA
Posamentier, Alfred S., Stepelman, Jay. (1980).
Teaching Secondary School Mathematics : Techniques and Enrichment Units .
USA:
Merril.
Gaya Chicago
Posamentier, Alfred S., Stepelman, Jay.
Teaching Secondary School Mathematics : Techniques and Enrichment Units.
USA:
Merril,
1980.
Text.
Gaya MLA
Posamentier, Alfred S., Stepelman, Jay.
Teaching Secondary School Mathematics : Techniques and Enrichment Units.
USA:
Merril,
1980.
Text.
Gaya Turabian
Posamentier, Alfred S., Stepelman, Jay.
Teaching Secondary School Mathematics : Techniques and Enrichment Units.
USA:
Merril,
1980.
Print.