Gay, N., & Mcpherson, B. (1937). Once You Lose Your Heart. Hal Leonard Music Publishing.
芝加哥风格引文Gay, Noel, 与 Barri Mcpherson. Once You Lose Your Heart. Wisconsin, United States: Hal Leonard Music Publishing, 1937.
MLA引文Gay, Noel, 与 Barri Mcpherson. Once You Lose Your Heart. Hal Leonard Music Publishing, 1937.
警告：这些引文格式不一定是100％准确.