APA (7. basım) Alıntı

Ashbrook, P. (2003). Science is simple: Over 250 activities for preschoolers. Gryphon House.

Chicago Style (17. basım) Atıf

Ashbrook, Peggy. Science Is Simple: Over 250 Activities for Preschoolers. Beltsville, Md: Gryphon House, 2003.

MLA (9th ed.) Atıf

Ashbrook, Peggy. Science Is Simple: Over 250 Activities for Preschoolers. Gryphon House, 2003.