Colletta, J. P. (2002). They came in ships: A guide to finding your immigrant ancestor's arrival record (3rd ed., updated and rev.). Ancestry.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Colletta, 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Colletta, John Philip. They Came in Ships: A Guide to Finding Your Immigrant Ancestor's Arrival Record. 3rd ed., updated and rev. Ancestry, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.