Laurel Saville, Steve Gordhan, Jodhua Berger, Sarch Dougher, editor
Page one publishing pte ltd, 2011
Buku Referensi
Page One, 2011
Buku Referensi
Laseau, Paul
ITB Bandung, 1986
Buku Teks
Meggs, Philip B.
John Wiley & Sons, 1998
Buku Teks
Labuz, Ronald
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Buku Teks