APA-referens (7:e uppl.)

Dalzell, J. R. (1949). Building trades blueprint reading (Rev. ed.). American Technical Society.

Chicago-referens (17:e uppl.)

Dalzell, J. Ralph. Building Trades Blueprint Reading. Rev. ed. Chicago: American Technical Society, 1949.

MLA-referens (8:e uppl.)

Dalzell, J. Ralph. Building Trades Blueprint Reading. Rev. ed. American Technical Society, 1949.