Vaidya, Krishnaji Keshav
N.M. Tripathi & Co., 1939
Buku Teks
Penebar Swadaya, 2005
Buku Teks
Ratnaesih Maulana, author
Fakultas Sastra Universitas Indonesia, 1997
Buku Teks
Ratnaesih Maulana, author
Fakultas Sastra Universitas Indonesia, 1997
Buku Referensi
Bernard, Theos
Philosopical Library , 1947
Buku Teks