APA-Zitierstil (7. Ausg.)

(1999). Early childhood education and care in the 21st century: Global guidelines and papers from an international symposium ... Ruschlikorn, Switzerland, July 5 - 8, 1999. Assoc. for Childhood Education Internat.

Chicago-Zitierstil (17. Ausg.)

Early Childhood Education and Care in the 21st Century: Global Guidelines and Papers from an International Symposium ... Ruschlikorn, Switzerland, July 5 - 8, 1999. Olney, Md: Assoc. for Childhood Education Internat, 1999.

MLA-Zitierstil (9. Ausg.)

Early Childhood Education and Care in the 21st Century: Global Guidelines and Papers from an International Symposium ... Ruschlikorn, Switzerland, July 5 - 8, 1999. Assoc. for Childhood Education Internat, 1999.