Larson, Laurence M.
Holt , 1926
Buku Teks SO
Hall, Walter Phelps
Ginn and Company, 1953
Buku Teks SO
Egerton, Hugh Edward
Methuen, 1905
Buku Teks SO
Richetti, John
John Wiley & Sons, 2017
Buku Teks SO
Schoch, Richard W.
Cambridge University Press , 2016
Buku Teks SO