Gargan, H. N. (1902). Pilgrim, Puritan and Papist in Massachusetts. Boston.
Lua i Stíl Chicago (17ú heag.)Gargan, Helena Nordhoff. Pilgrim, Puritan and Papist in Massachusetts. Boston, 1902.
Lua MLA (8ú heag.)Gargan, Helena Nordhoff. Pilgrim, Puritan and Papist in Massachusetts. Boston, 1902.
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