Gaya APA

aoasterwalder, D, J, B, A., etc., A, O, Y, P, B. (). Value Proposition Design (Cet. 3). Jakarta: Elex Media Komputindo.

Gaya MLA

aoasterwalder, David, J., Bland,, Alex., etc., Alex, Osterwalder,, Yves, Pigneur,Greg, Bernada,. "Value Proposition Design". Cet. 3 Jakarta: Elex Media Komputindo, . Text.