De La Serna, M. H. (1973). Essentials for better appreciation of music. The Author.
芝加哥风格引文De La Serna, Maria H. Essentials for Better Appreciation of Music. Manila: The Author, 1973.
MLA引文De La Serna, Maria H. Essentials for Better Appreciation of Music. The Author, 1973.
警告：这些引文格式不一定是100％准确.