APA Style
Soifer, Alexander. (2009).
Mathematics as problem solving (ed.2.).
Colorado:
Springer.
Chicago Style
Soifer, Alexander.
Mathematics as problem solving.
ed.2.
Colorado:
Springer,
2009.
Buku.
MLA Style
Soifer, Alexander.
Mathematics as problem solving.
ed.2.
Colorado:
Springer,
2009.
Buku.
Turabian Style
Soifer, Alexander.
Mathematics as problem solving.
ed.2.
Colorado:
Springer,
2009.
Buku.