Badger, Ralph Eastman, 1890-, author
Prentice-Hall, 1951
Buku Teks
Bellemore, Douglas H., author
South-Western Publishing, 1974
Buku Teks
Badger, Ralph Eastman, 1890-, author
Prentice-Hall, 1951
Buku Teks
Fischer, Donald E., author
Prentice-Hall, 1991
Buku Teks
A. S. Mahmoeddin, author
Pustaka Sinar Harapan, 1995
Buku Teks