Colletta, J. P. (2002). They came in ships: A guide to finding your immigrant ancestor's arrival record (3rd ed., updated and rev.). Ancestry.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रColletta, John Philip. They Came in Ships: A Guide to Finding Your Immigrant Ancestor's Arrival Record. 3rd ed., updated and rev. Orem, Utah: Ancestry, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रColletta, John Philip. They Came in Ships: A Guide to Finding Your Immigrant Ancestor's Arrival Record. 3rd ed., updated and rev. Ancestry, 2002.
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