Berk, L. E. (2004). Development through the lifespan. Boston: Allyn & Bacon.
Trích dẫn kiểu ChicagoBerk, Laura E. Development Through the Lifespan. Boston: Allyn & Bacon, 2004.
ציטוט MLABerk, Laura E. Development Through the Lifespan. Boston: Allyn & Bacon, 2004.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.