Citazione Stile APA (7a Edizione)

Liungman, C. G. (2004). Symbols: Encyclopedia of Western signs and ideograms. HME Publ..

Citazione stile Chigago Style (17a edizione)

Liungman, Carl G. Symbols: Encyclopedia of Western Signs and Ideograms. Stockholm: HME Publ., 2004.

Citatione MLA (8a ed.)

Liungman, Carl G. Symbols: Encyclopedia of Western Signs and Ideograms. HME Publ., 2004.