APA-ийн эшлэл(7 дахь хэвлэлт)

Craven, R. (2002). Customer is king: How to exceed their expectations. Virgin Books.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Craven, Robert. Customer Is King: How to Exceed Their Expectations. London: Virgin Books, 2002.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Craven, Robert. Customer Is King: How to Exceed Their Expectations. Virgin Books, 2002.