Gaya APA
Inc, C, I. (1981).
Holidays and Birthdays Childcraft (Volume 9).
Chicago:
Childcraft Internasional. Inc.
Gaya MLA
Inc, Childcraft, Internasional..
"Holidays and Birthdays Childcraft".
Volume 9
Chicago:
Childcraft Internasional. Inc,
1981.
teks.