Masterson. Birdwatching in New Hampshire. University Press of New England.
Cita Chicago (17th ed.)Masterson. Birdwatching in New Hampshire. University Press of New England.
Cita MLA (9th ed.)Masterson. Birdwatching in New Hampshire. University Press of New England.
Atenció: Aquestes cites poden no estar 100% correctes.