Gaya APA

Smith, P, G, S, P, G. (2007). Flexible product development : building agilityfor changing markets.-- (Ed. 1st.--). San Fransisco: Jossey Bass.

Gaya MLA

Smith, Preston, G., Smith,, Preston, G.. "Flexible product development : building agilityfor changing markets.--". Ed. 1st.-- San Fransisco: Jossey Bass, 2007. Buku.