Tohutoro APA (7th ed.)
O'Toole, P., Mirren, H., & Gielgud, J. (1987). Io, Caligola. Eden.
Tohutoru Kātū Chicago (17th ed.)
O'Toole, Peter, Helen Mirren, me John Gielgud. Io, Caligola. Milano: Eden, 1987.
Tohutoro MLA (9th ed.)
O'Toole, Peter, et al. Io, Caligola. Eden, 1987.
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