Saraswati, Sri Chandrasekharendra, author
Bharatiya Vidya Bhavan, 1966
Buku Teks
Pigou, A.
MacMillan, 1947
Buku Teks
Farley, Miriam S., author
The John Day, 1950
Buku Teks
Kapp, Marshall B., author
Jones & Bartllett, 2010
Buku Teks
Beckmann, Poul, author
McGraw-Hill, 1995
Buku Teks