Gaya APA

Foster, G, F, G. (2007). The Power Of Positive Profit : How You Can improve Any Bottom Line In Sales , Marketing And Management.-- (Cet. 1.--). New Jersey: John Wiley and Sons.

Gaya MLA

Foster, Graham, Foster,, Graham. "The Power Of Positive Profit : How You Can improve Any Bottom Line In Sales , Marketing And Management.--". Cet. 1.-- New Jersey: John Wiley and Sons, 2007. Buku.