APA-referens (7:e uppl.)

Pilkington, J. (1993). Test Your Business skills. Headline book.

Chicago-referens (17:e uppl.)

Pilkington, Joan. Test Your Business Skills. London: Headline book, 1993.

MLA-referens (9:e uppl.)

Pilkington, Joan. Test Your Business Skills. Headline book, 1993.