Browning, R., & Karlin, D. (1989). Robert Browning: Selected poems. Penguin.
Cita Chicago (17th ed.)Browning, Robert, i Daniel Karlin. Robert Browning: Selected Poems. Harmondsworth ; London: Penguin, 1989.
Cita MLA (8th ed.)Browning, Robert, i Daniel Karlin. Robert Browning: Selected Poems. Penguin, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.