Gestwicki, C. (1999). The essentials of early education (First Canadian edition.). ITP Nelson.
Citazione stile Chigago Style (17a edizione)Gestwicki, Carol. The Essentials of Early Education. First Canadian edition. Toronto, Ont.: ITP Nelson, 1999.
Citatione MLA (8a ed.)Gestwicki, Carol. The Essentials of Early Education. First Canadian edition. ITP Nelson, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.