Wensinck, A.J., author
N.V.Noord-Hollandsche uitgeves maatschay, 1933
Buku Klasik
Michell, John, author
Garsnton Press, 1971
Buku Teks
Jain, G.R., author
Bharatiya Jnanpith, 1975
Buku Teks
Weinberg, Steven, 1933-, author
John Wiley & Sons, 1972
Buku Teks
Tipler, Frank J., author
Doubleday, 1994
Buku Teks