Gaya APA

ANDREW, A., JOHN, B. (2019). Basic Principles Of Gating And Risering 2 Edition (2ed). USA: AFS (American Foundry Society).

Gaya MLA

ANDREW, Adams., JOHN, Beechnau. "Basic Principles Of Gating And Risering 2 Edition". 2ed USA: AFS (American Foundry Society), 2019. Printed.