Philippines. Office of the President. Presidential Economic Staff. (1969). Provincial profile of Camarines Norte. s.n.
Chicago Style (17. basım) AtıfPhilippines. Office of the President. Presidential Economic Staff. Provincial Profile of Camarines Norte. [Manila: s.n, 1969.
MLA (9th ed.) AtıfPhilippines. Office of the President. Presidential Economic Staff. Provincial Profile of Camarines Norte. s.n, 1969.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..