Salisbury, Frank B., author
Wadsworth, 1985
Buku Referensi
Esau, Katherine, author
John Wiley & Sons, 1953
Buku Teks
Mehrotra, R.S., author
McGraw-Hill , 1980
Buku Teks
Jozef Samaj, editor
[, Springer], 2012
eBooks
Gertsbakh, I.B.
North-Holland, 1977
Buku Teks