Meade, Teresa A.
Wiley-Blackwell, 2010
Buku Teks SO
Edited by Charlotte Fiel, Peter Fiell
Goodman Fiell, 2012
Buku Referensi
Snyder, Louis L.
Van Nostrand Reinhold, 1957
Buku Teks SO
Snyder, Louis L.
Van Nostrand Reinhold, 1957
Buku Teks SO
Holborn, Hajo, 1902-1969
Alfreed A. Knopf, 1969
Buku Teks SO