Watson, G. (1967). The English Petrarchans: A critical bibliography of the Canzionere. Warburg Institute.
Cita Chicago (17th ed.)Watson, George. The English Petrarchans: A Critical Bibliography of the Canzionere. London: Warburg Institute, 1967.
Cita MLA (9th ed.)Watson, George. The English Petrarchans: A Critical Bibliography of the Canzionere. Warburg Institute, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.