iGLibrary (online resource). (1913). Philippine School of Arts and Trades; Nautical Department. Bureau of Printing.
Chicago-Zitierstil (17. Ausg.)iGLibrary (online resource). Philippine School of Arts and Trades; Nautical Department. Manila: Bureau of Printing, 1913.
MLA-Zitierstil (9. Ausg.)iGLibrary (online resource). Philippine School of Arts and Trades; Nautical Department. Bureau of Printing, 1913.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.