Holst, B. P., & Roark, R. N. (1913). The New teachers' and pupils' cyclopaedia: A reference library of history, geography, biography, literature, economics, civics, arts, sciences, discoveries and inventions. Gray Publishing Company.
芝加哥风格引文Holst, Bernhart Paul, 与 Ruric Nevel Roark. The New Teachers' and Pupils' Cyclopaedia: A Reference Library of History, Geography, Biography, Literature, Economics, Civics, Arts, Sciences, Discoveries and Inventions. Chicago: Gray Publishing Company, 1913.
MLA引文Holst, Bernhart Paul, 与 Ruric Nevel Roark. The New Teachers' and Pupils' Cyclopaedia: A Reference Library of History, Geography, Biography, Literature, Economics, Civics, Arts, Sciences, Discoveries and Inventions. Gray Publishing Company, 1913.