Artikel Jurnal
edited by Gordon Greenwood
Angus and Robertson, 1955
Buku Teks
edited by Gordon Greenwood
Angus and Robertson, 1969
Buku Teks
Archibald, W. Peter (William Peter), 1943-, author
McGraw-Hill Ryerson, 1978
Buku Teks
edited by Gordon Greenwood
Angus & Robertson, 1978
Buku Teks