APA aipamena

Doyle, J. (1901). Magnetical dip and declination in the Philippine Islands: Brief notice of the same. Observatory Print. Off.

Chicago Style aipamena

Doyle, John. Magnetical Dip and Declination in the Philippine Islands: Brief Notice of the Same. Manila: Observatory Print. Off, 1901.

MLA aipamena

Doyle, John. Magnetical Dip and Declination in the Philippine Islands: Brief Notice of the Same. Observatory Print. Off, 1901.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.