APA-viite (7. p.)

Cassidy, D. (1993). It`s when you sell that counts. Vision Books.

Chicago-viite (17. p.)

Cassidy, Donald. It`s When You Sell That Counts. New Delhi: Vision Books, 1993.

MLA-viite (9. p.)

Cassidy, Donald. It`s When You Sell That Counts. Vision Books, 1993.