Estolas, J. V. 1. (1974). Child psychology: A modern approach. National Book Store.
芝加哥风格引文Estolas, Josefina Villanueva 1928. Child Psychology: A Modern Approach. [Manila]: National Book Store, 1974.
MLA引文Estolas, Josefina Villanueva 1928. Child Psychology: A Modern Approach. National Book Store, 1974.
警告：这些引文格式不一定是100％准确.