APA-viite (7. p.)
Steen, M. (2014). Mascagni's Cavalleria rusticana and Leoncavallo's Pagliacci: A short guide to a great opera. Original Writing.
Chicago-viite (17. p.)
Steen, Michael. Mascagni's Cavalleria Rusticana and Leoncavallo's Pagliacci: A Short Guide to a Great Opera. Dublin, Ireland: Original Writing, 2014.
MLA-viite (9. p.)
Steen, Michael. Mascagni's Cavalleria Rusticana and Leoncavallo's Pagliacci: A Short Guide to a Great Opera. Original Writing, 2014.
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