Boundy, Albert W.
McGraw-Hill, 2012
Buku Teks SO
by Frederick E. Giesecke ... [and others]
Pearson education International, Prentice-Hall, 2009
Buku Teks SO
Sidheswar, N.
Tata McGraw-Hill, 1980
Buku Teks SO
Serebryakov, A.
Foreign Languages Press, [19?-]
Buku Teks SO
by Frederick E. Giesecke ... [and others]
Prentice-Hall, 1997
Buku Teks SO