Referencia BETAGH, William. A VOYAGE ROUND THE WORLD BEING AN ACCOUNT OF A REMARKABLE ENTERPRISE, BEGUN IN THE YEAR 1719, CHIEFLY TO CRUISE ON THE SPANIARDS IN THE GREAT SOUTH OCEAN. RELATING THE TRUE HISTORICAL FACTS OF THAT WHOLE AFFAIR: TESTIFYED BY MANY EMPLOYED THEREIN, AND CONFIRMED BY AUTHORITIES FROM THE OWNERS. Londres, Inglaterra: T. Combes, 1728.