Gaya APA
Skinner, C. (2001).
Early Years Essentials For Maths: Learning About shape=Mempelajari Berbagai Bentuk .
Jakarta:
Grasindo.
Gaya MLA
Skinner, Carole.
"Early Years Essentials For Maths: Learning About shape=Mempelajari Berbagai Bentuk".
Jakarta:
Grasindo,
2001.
Text.