Gaya APA

Walsh, J, L., Petersen, A. (2024). Operation : Happy : A World War II Story of Courage, Resilience, and an Unbreakable Bond . Grand Rapids, Michigan, USA: Zonderkids.

Gaya MLA

Walsh, Jenni, L.., Petersen, Alyssa. "Operation : Happy : A World War II Story of Courage, Resilience, and an Unbreakable Bond". Grand Rapids, Michigan, USA: Zonderkids, 2024. Non Fiction.