Gaya APA

Doane, D, P., Seawerd, L, E. (2008). Essential Statistic in Bussiness & Economics (Cet. 1). Amerika Serikat: McGraw Hill Higher.

Gaya MLA

Doane, David, P.., Seawerd, Lori, E.. "Essential Statistic in Bussiness & Economics". Cet. 1 Amerika Serikat: McGraw Hill Higher, 2008. Text.