Jain, Rajendra K., author
Khanna Publishers, 1983
Buku Teks
Koehn, Philipp, author
Cambridge university press, 2010
Buku Teks
Bhandari, V. B., author
Tata McGraw-Hill, 2010
Buku Teks
Khurmi, R. S., author
Eurasia Publishing House, 1980
Buku Teks
Gerling, Heinrich, author
Wiley Eastern Limited, 1982
Buku Teks