International Conference on Gilbert and Sullivan (1st : University of Kansas) & Helyar, J. (1971). Gilbert and Sullivan: Papers presented at the International Conference held at the University of Kansas in May 1970. University of Kansas Libraries.
Citazione stile Chigago Style (17a edizione)International Conference on Gilbert and Sullivan (1st : University of Kansas) e James Helyar. Gilbert and Sullivan: Papers Presented at the International Conference Held at the University of Kansas in May 1970. [Lawrence, Kan.]: University of Kansas Libraries, 1971.
Citatione MLA (9a ed.)International Conference on Gilbert and Sullivan (1st : University of Kansas) e James Helyar. Gilbert and Sullivan: Papers Presented at the International Conference Held at the University of Kansas in May 1970. University of Kansas Libraries, 1971.