Gaya APA

Avi, ., Watling, J. (1997). Finding Providence: the Story of Roger Williams (Cet. 1.--). United States of America: Harper Trophy.

Gaya MLA

Avi, ., Watling, James. "Finding Providence: the Story of Roger Williams". Cet. 1.-- United States of America: Harper Trophy, 1997. Text.