editors: Normand L. Hoerr [and] Arthur Osol. with the cooperation of an editorial board and 88 contributors
Blakiston Division, McGraw-Hill, 1956
Buku Referensi
Crispin, Frederic Swing
Bruce Pub. Co., 1945
Buku Teks
Crispin, Frederic Swing
Bruce Pub. Co., 1961
Buku Referensi
Artikel Jurnal
Sybil P. Parker, editor in chief
McGraw-Hill, 1994
Buku Referensi