Gaya APA
Avison, B. (1993).
I Wonder why: My Tummy Rumbles and other Questions About My Body .
London:
Grolier Incorporated.
Gaya MLA
Avison, Brigid.
"I Wonder why: My Tummy Rumbles and other Questions About My Body".
London:
Grolier Incorporated,
1993.
Text.