Crothers, W. L. (2014). The masting of American merchant sail in the 1850s: An illustrated study. McFarland & Company, Inc., Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Crothers, William L. The Masting of American Merchant Sail in the 1850s: An Illustrated Study. Jefferson, North Carolina: McFarland & Company, Inc., Publishers, 2014.
Παραπομπή σε μορφή MLA (9th εκδ.)Crothers, William L. The Masting of American Merchant Sail in the 1850s: An Illustrated Study. McFarland & Company, Inc., Publishers, 2014.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.