Von Mises, Ludwig, 1881-1973, author
George Braziller, 1956
Buku Teks
Ladyman, James, author
Routledge, 2002
Buku Teks
Kluwer Academic Publishers,
Majalah, Jurnal, Buletin
Syafruddin Prawiranegara
Bulan Bintang, 1977
Buku Teks
Corbett, Sister Thomas Albert
University of America Press, 1950
Buku Teks