APA-referens (7:e uppl.)

Chen, Y. (1993). Studies of reactions of azulenes with dimethyl acetylenedicarboxylate and their reaction mechanisms. Universität Zürich.

Chicago-referens (17:e uppl.)

Chen, Yi. Studies of Reactions of Azulenes with Dimethyl Acetylenedicarboxylate and Their Reaction Mechanisms. Switzerland: Universität Zürich, 1993.

MLA-referens (8:e uppl.)

Chen, Yi. Studies of Reactions of Azulenes with Dimethyl Acetylenedicarboxylate and Their Reaction Mechanisms. Universität Zürich, 1993.