Gaya APA
Perry, O.J.. (1982).
Mastering mathematics .
London:
MacMillan Press.
Gaya Chicago
Perry, O.J..
Mastering mathematics.
London:
MacMillan Press,
1982.
Text.
Gaya MLA
Perry, O.J..
Mastering mathematics.
London:
MacMillan Press,
1982.
Text.
Gaya Turabian
Perry, O.J..
Mastering mathematics.
London:
MacMillan Press,
1982.
Print.