Penggayaan APA
POLYA, G.. (2004).
How to solve it: .
[s.l.]:
Princeton University Press.
Chicago Style
POLYA, G..
How to solve it:.
[s.l.]:
Princeton University Press,
2004.
Buku.
MLA Style
POLYA, G..
How to solve it:.
[s.l.]:
Princeton University Press,
2004.
Buku.
Turabian Style
POLYA, G..
How to solve it:.
[s.l.]:
Princeton University Press,
2004.
Buku.