Opetina, L. N. (2012). The novel way of learning grammar. Mindshapers Co.
芝加哥风格引文Opetina, Leandro N. The Novel Way of Learning Grammar. Manila: Mindshapers Co, 2012.
MLA引文Opetina, Leandro N. The Novel Way of Learning Grammar. Mindshapers Co, 2012.
警告：这些引文格式不一定是100％准确.