Gaya APA
Dorenkamp, M., Greene, C. (2008).
Why Boys & Girls Are Different: For Girls ages 4-6 .
London:
Concordia.
Gaya MLA
Dorenkamp, Michelle., Greene, Carol.
"Why Boys & Girls Are Different: For Girls ages 4-6".
London:
Concordia,
2008.
Karya Cetak.