Del Rosario, J. G. Answering the call to give: When engineering heroes give of their time, talent and treasure.
Čikaški stil citiranja (17. izdanje)Del Rosario, Jaime G. Answering the Call to Give: When Engineering Heroes Give of Their Time, Talent and Treasure.
MLA način citiranja (9. izdanje)Del Rosario, Jaime G. Answering the Call to Give: When Engineering Heroes Give of Their Time, Talent and Treasure.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.