Swan, W. D. (1852). The primary school spelling-book: Designed for primary and intermediate schools.
Citazione stile Chigago Style (17a edizione)Swan, William D. The Primary School Spelling-book: Designed for Primary and Intermediate Schools. Philadelphia, 1852.
Citatione MLA (9a ed.)Swan, William D. The Primary School Spelling-book: Designed for Primary and Intermediate Schools. 1852.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.