Boys, C. V. (1931). Soap-bubbles: Their colours and the forces which mold them ; being the substance of many lectures delivered to juvenile and popular audiences with the addition of several new and original sections (14. thousand, enlarged ed.). Society for Promoting Christian Knowledge.
Chicago-Zitierstil (17. Ausg.)Boys, Charles V. Soap-bubbles: Their Colours and the Forces Which Mold Them ; Being the Substance of Many Lectures Delivered to Juvenile and Popular Audiences with the Addition of Several New and Original Sections. 14. thousand, enlarged ed. London: Society for Promoting Christian Knowledge, 1931.
MLA-Zitierstil (9. Ausg.)Boys, Charles V. Soap-bubbles: Their Colours and the Forces Which Mold Them ; Being the Substance of Many Lectures Delivered to Juvenile and Popular Audiences with the Addition of Several New and Original Sections. 14. thousand, enlarged ed. Society for Promoting Christian Knowledge, 1931.