Gaya APA

Port, M., Samuels, M. (2009). The think big manifesto: think you can't change your life (and the world)? think again . : Proyek Penelitian, Pengkajian dan Pembinaan Nilai-nilai Budaya Daerah Lampung.

Gaya MLA

Port, Michael., Samuels, Mina. "The think big manifesto: think you can't change your life (and the world)? think again". : Proyek Penelitian, Pengkajian dan Pembinaan Nilai-nilai Budaya Daerah Lampung, 2009. Textbook.