Waddy, Patricia
MIT Press, 1990
Buku Teks SO
Titi Sari Nurul Rachmawati
Riverside, 1956
Buku Teks SO
edited by Marta Ajmar-Wollheim, Flora Dennis, and Ann Matchette
Blackwell, 2007
Buku Teks SO
Procacci, Giuliano
Harper & Row, 1968
Buku Teks SO
Instituto Poligrafico dello Stato, 1974
Buku Teks