edited by Louis G. Locke, William M. Gibson, George W. Arms
Holt, Rinehart and Winston, 1959
Buku Teks SO
edited by Louis G. Locke, William M. Gibson, George W. Arms
Holt, Rinehart and Winston, 1961
Buku Teks SO
Yearimdang
PT Elex Media Komputindo, 2017
Buku Teks SO
Daiches, David
New York, Cornell University Press
Buku Referensi
McGraw-Hill, 2000
Buku Teks SO