Lautzenheiser, T. (1999). Essential Elements 2000 F Horn Book 1. Hal-Leonard Corporatión.
芝加哥风格引文Lautzenheiser, Tim. Essential Elements 2000 F Horn Book 1. Milwaukee: Hal-Leonard Corporatión, 1999.
MLA引文Lautzenheiser, Tim. Essential Elements 2000 F Horn Book 1. Hal-Leonard Corporatión, 1999.
警告：这些引文格式不一定是100％准确.