APA Style
Inc, C, I.
(1981).
Mathemagic Childcraft
(
Volume 13)
.
Chicago:
Childcraft Internasional. Inc.
MLA Style
Inc, Childcraft, Internasional..
"Mathemagic Childcraft".
Volume 13
Chicago:
Childcraft Internasional. Inc,
1981.
teks.