Weeks, A. W., & Adkins, J. B. (1971). Second Course in Algebra: Whit Trigonometry. Ginn and Company.
Citazione stile Chigago Style (17a edizione)Weeks, Arthur W., e Jackson B. Adkins. Second Course in Algebra: Whit Trigonometry. Boston, Massachusetts: Ginn and Company, 1971.
Citatione MLA (9a ed.)Weeks, Arthur W., e Jackson B. Adkins. Second Course in Algebra: Whit Trigonometry. Ginn and Company, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.