Mayer, M., Dyer, J., & Krauss, R. (2007). Little Critter: I Am Helping (1st board book ed.). HarperFestival.
Chicagoスタイル(17版)引用形式Mayer, Mercer, Jane Dyer, , Ruth Krauss. Little Critter: I Am Helping. 1st board book ed. New York: HarperFestival, 2007.
MLA(8版)引用形式Mayer, Mercer, et al. Little Critter: I Am Helping. 1st board book ed. HarperFestival, 2007.
警告: この引用は必ずしも正確ではありません.