Não informado. (2001). Yearbook of the Massachusetts Audubon Society. Massachusetts Audubon Society.
Chicagoスタイル(17版)引用形式Não informado. Yearbook of the Massachusetts Audubon Society. Lincoln, Mass: Massachusetts Audubon Society, 2001.
MLA(8版)引用形式Não informado. Yearbook of the Massachusetts Audubon Society. Massachusetts Audubon Society, 2001.
警告: この引用は必ずしも正確ではありません.