Lua APA (7ú heag.)

Dick, C., & Colnaghi, C. P. (1885). An entirely new and original English comic opera entitled Dr. D. Metzler.

Lua i Stíl Chicago (17ú heag.)

Dick, Cotsford, agus C. P. Colnaghi. An Entirely New and Original English Comic Opera Entitled Dr. D. London: Metzler, 1885.

Lua MLA (8ú heag.)

Dick, Cotsford, agus C. P. Colnaghi. An Entirely New and Original English Comic Opera Entitled Dr. D. Metzler, 1885.

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