Gaya APA
Kostelnik, M, J., L, I, G, M. (2009).
Getting it right from the start: the principals guide to early childhood education .
California:
California: Corwin, 2009.
Gaya MLA
Kostelnik, Marjorie, J., L, I., Grady,, Marilyn.
"Getting it right from the start: the principals guide to early childhood education".
California:
California: Corwin, 2009,
2009.
.