Iglesia Adventista del Séptimo Día. (1978). School Bells and Gospel Trumpets: A documentary history of Seventh-day Adventist Ministry education in North America. Adventist Heritage Publications, Loma Linda University Library.
Cita Chicago (17th ed.)Iglesia Adventista del Séptimo Día. School Bells and Gospel Trumpets: A Documentary History of Seventh-day Adventist Ministry Education in North America. Loma LInda, California: Adventist Heritage Publications, Loma Linda University Library, 1978.
Cita MLA (9th ed.)Iglesia Adventista del Séptimo Día. School Bells and Gospel Trumpets: A Documentary History of Seventh-day Adventist Ministry Education in North America. Adventist Heritage Publications, Loma Linda University Library, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.