Παραπομπή σε μορφή APA (7η εκδ.)

Spencer, J. F. (2007). Science month-by-month, grades 3-8: Practical ideas and activities for teachers and homeschoolers. Jossey-Bass.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Spencer, Julia Farish. Science Month-by-month, Grades 3-8: Practical Ideas and Activities for Teachers and Homeschoolers. San Francisco: Jossey-Bass, 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

Spencer, Julia Farish. Science Month-by-month, Grades 3-8: Practical Ideas and Activities for Teachers and Homeschoolers. Jossey-Bass, 2007.