Hawryszkiewycz, Igor Titus
Prentice-Hall, 1998
Buku Teks SO
Blanchard, Benjamin S.
Prentice-Hall, 2006
Buku Teks SO
Blanchard, Benjamin S.
Prentice-Hall, 1998
Buku Teks SO
Blanchard, Benjamin S.
Pearson Education Limited, 2014
Buku Teks SO
Davis, William S.
Addison-Wesley, 1983
Buku Teks SO