APA-referens (7:e uppl.)

Horsthuis, W. H. G. (1987). Investigations on periodically perturbed optical waveguides. s.n.].

Chicago-referens (17:e uppl.)

Horsthuis, Winfried Henri Gerard. Investigations on Periodically Perturbed Optical Waveguides. [S.l.: s.n.], 1987.

MLA-referens (8:e uppl.)

Horsthuis, Winfried Henri Gerard. Investigations on Periodically Perturbed Optical Waveguides. s.n.], 1987.