Royama, T.
Chapman & Hall, 1992
Buku Teks
American Association for the Advancement of Science, 1975
Buku Teks
Cushing, Jim M., 1942-
Society for Industrial and Applied Mathematics, 1998
eBooks
Nam, Charles B., editor
Hoghton Mifflin., 1976
Buku Teks SO
Thomlinson, Ralph
Random House , 1976
Buku Teks