APA-ийн эшлэл(7 дахь хэвлэлт)

(1993). Head Start and beyond: A national plan for extended childhood intervention / edited by Edward Zigler and Sally J. Styfco.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Head Start and Beyond: A National Plan for Extended Childhood Intervention / Edited by Edward Zigler and Sally J. Styfco. 1993.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Head Start and Beyond: A National Plan for Extended Childhood Intervention / Edited by Edward Zigler and Sally J. Styfco. 1993.