Lin, Qihong.
H. Vetch , 1930
Buku Teks SO
Sage Publications, 1978
Buku Teks
Henderson, Gordon G.
Harper and Rows, 1976
Buku Teks SO
Eldersveld, Samuel J.
Basic Books, 1982
Buku Teks SO
contributors, Frederick C. Barghoorn ... [and others] ; edited by Sigmund Neumann
University of Chicago Press, 1956
Buku Teks SO