APA (7e ed.) Bronvermelding

Howe, D. H. (1986). Sam's ball. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Howe, D. H. Sam's Ball. Oxford: Oxford University Press, 1986.

MLA (9e ed.) Bronvermelding

Howe, D. H. Sam's Ball. Oxford University Press, 1986.