Παραπομπή σε μορφή APA (7η εκδ.)

(1991). Development and evaluation of an interpretive nineteenth century American children's games program: Knowledge and satisfaction attained through program participation / by Penny Quinn Bakke.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Development and Evaluation of an Interpretive Nineteenth Century American Children's Games Program: Knowledge and Satisfaction Attained Through Program Participation / by Penny Quinn Bakke. 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Development and Evaluation of an Interpretive Nineteenth Century American Children's Games Program: Knowledge and Satisfaction Attained Through Program Participation / by Penny Quinn Bakke. 1991.