Gaya APA

HADFIELD, C., HADFIELD, J. (1990). Writing games : a collection of writing games and creative for law intermediate to advanced students . Harlow: Addison Wesley Longman.

Gaya MLA

HADFIELD, Charle., HADFIELD, Jill. "Writing games : a collection of writing games and creative for law intermediate to advanced students". Harlow: Addison Wesley Longman, 1990. Buku.