al-Zubbaidi, Haitham Kamil. “Self-Reflexivity and Meta-Poetry in Billy Collins’ Selected Poems”. Al-Adab Journal, no. 111 (March 15, 2015): 17–44. Accessed April 7, 2025. https://aladabj.uobaghdad.edu.iq/index.php/aladabjournal/article/view/1531.