APA (7e ed.) Bronvermelding

Crebbin, J., & Hellard, S. (2004). Please sit still. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Crebbin, June, en Susan Hellard. Please Sit Still. Cambridge: Cambridge University Press, 2004.

MLA (8e ed.) Bronvermelding

Crebbin, June, en Susan Hellard. Please Sit Still. Cambridge University Press, 2004.