Penggayaan APA

SION, Chris. (2008). Talking business in class . England: Chris Sion.

Chicago Style

SION, Chris. Talking business in class. England: Chris Sion, 2008. Buku.

MLA Style

SION, Chris. Talking business in class. England: Chris Sion, 2008. Buku.

Turabian Style

SION, Chris. Talking business in class. England: Chris Sion, 2008. Buku.