Gaya APA

Wells, T, J, K, V, A, A, K, N. (2017). Contemporary Project Management (4). : Cengage.

Gaya MLA

Wells, Timothy, J., Kloppenborg,, Vittal, Anantatmula,, And, Kathryn, N.. "Contemporary Project Management". 4 : Cengage, 2017. Text.