Getber, John C. “FOREWORD.” Tom Sawyer Abroad / Tom Sawyer, Detective, by DAN BEARD et al., 3rd ed., University of California Press, Berkeley; Los Angeles; London, 1982, pp. xi-xii, www.jstor.org/stable/10.1525/j.ctt1pp0tq.4. Accessed 14 Apr. 2021.
Getber, J. (1982). FOREWORD. In BEARD D., FROST A., Gerber J., & Firkins T. (Authors), Tom Sawyer Abroad / Tom Sawyer, Detective (pp. Xi-Xii). Berkeley; Los Angeles; London: University of California Press. Retrieved April 14, 2021, from http://www.jstor.org/stable/10.1525/j.ctt1pp0tq.4
Getber, John C. "FOREWORD." In Tom Sawyer Abroad / Tom Sawyer, Detective, by BEARD DAN, FROST A. B., Gerber John C., and Firkins Terry, Xi-Xii. Berkeley; Los Angeles; London: University of California Press, 1982. Accessed April 14, 2021. http://www.jstor.org/stable/10.1525/j.ctt1pp0tq.4.
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