APA-viite (7. p.)

Salgado, P. V. (2002). Cagayan Valley and Eastern Cordillera, 1581-1898. [publisher not identified].

Chicago-viite (17. p.)

Salgado, Pedro V. Cagayan Valley and Eastern Cordillera, 1581-1898. [Place of publication not identified]: [publisher not identified], 2002.

MLA-viite (9. p.)

Salgado, Pedro V. Cagayan Valley and Eastern Cordillera, 1581-1898. [publisher not identified], 2002.