Albery, Ian P., author
Pal Mall, 2007
Buku Teks
Pervin, Lawrence A., author
Kencana Prenada Media Group , 2010
Buku Teks
Arina Restian, author
Universities Muhammadiyah Malang, 2015
Buku Teks
Gunung Mulia, 1996
Buku Teks
Iratius Radiman ... [and others]
ITB Press, 1980
Buku Referensi