Gaya APA

Harbors, I, A, O, P, A. (2007). IAPH Membership Directory 2006 . [s.l.]: Penerbit International Association of Ports and Harbors.

Gaya MLA

Harbors, International, Association, Of, Ports, And. "IAPH Membership Directory 2006". [s.l.]: Penerbit International Association of Ports and Harbors, 2007. Text.