SpringerLink (Online service) & Hyndman, B. (2017). Contemporary School Playground Strategies for Healthy Students. Springer Singapore : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service) και Brendon Hyndman. Contemporary School Playground Strategies for Healthy Students. Singapore: Springer Singapore : Imprint: Springer, 2017.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service) και Brendon Hyndman. Contemporary School Playground Strategies for Healthy Students. Springer Singapore : Imprint: Springer, 2017.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.