Pomeroy, W. J. (1963). Beyond barriers: Sonnets to Celia. P. B. Ayuda.
芝加哥风格引文Pomeroy, William J. Beyond Barriers: Sonnets to Celia. Manila: P. B. Ayuda, 1963.
MLA引文Pomeroy, William J. Beyond Barriers: Sonnets to Celia. P. B. Ayuda, 1963.
警告：这些引文格式不一定是100％准确.