Irving, E. M. (1951). Geologic report on the copper-pyrite deposits of Rapu-Rapu Ilsands, Albay Province, P.I. Bureau of Mines.
Čikaški stil citiranja (17. izdanje)Irving, Earl M. Geologic Report on the Copper-pyrite Deposits of Rapu-Rapu Ilsands, Albay Province, P.I. Manila: Bureau of Mines, 1951.
MLA način citiranja (9. izdanje)Irving, Earl M. Geologic Report on the Copper-pyrite Deposits of Rapu-Rapu Ilsands, Albay Province, P.I. Bureau of Mines, 1951.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.