APA-referens (7:e uppl.)

Edelman, A. (1967). Design and operation of an ozonator. [s. n.].

Chicago-referens (17:e uppl.)

Edelman, Antonie. Design and Operation of an Ozonator. Delft: [s. n.], 1967.

MLA-referens (9:e uppl.)

Edelman, Antonie. Design and Operation of an Ozonator. [s. n.], 1967.