Joint Nature Conservation Committee (Gran Bretaña), Gent, T., & Gibson, S. (2003). Herpetofauna workers' manual (Rev. reprint.). Joint Nature Conservation Committee.
Cita Chicago Style (17a ed.)Joint Nature Conservation Committee (Gran Bretaña), Tony Gent, y Steve Gibson. Herpetofauna Workers' Manual. Rev. reprint. Peterborough: Joint Nature Conservation Committee, 2003.
Cita MLA (9a ed.)Joint Nature Conservation Committee (Gran Bretaña), et al. Herpetofauna Workers' Manual. Rev. reprint. Joint Nature Conservation Committee, 2003.
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