Podmore, Valerie N.
Observation: origins and approaches in early childhood
McGraw-Hill, 2012
 Buku Teks
Measuring service quality in the networked environment: approaches and considerations
 Artikel Jurnal
Annisa Novita Dewi
Pengaruh DAK nonfisik bantuan operasional penyelenggaraan pendidikan anak usia dini (BOP PAUD) terhadap kualitas layanan pendidikan anak usia dini = Impact of non-physical DAK operational assistance for early childhood education (BOP PAUD) on the quality of early childhood education services.
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2021
 UI - Tesis (Membership)
Curtis, Audrey
Care and education in early childhood
Routledge, 2009
 Buku Teks
Halliday, M.A.K.
The langauge early childhood
Continuum, 2004
 Buku Teks