Matley, M. B. (1973). Building Your Phone Book Collection - A Gold Mine of Low-Cost Information.
Citazione stile Chigago Style (17a edizione)Matley, Marcel B. Building Your Phone Book Collection - A Gold Mine of Low-Cost Information. 1973.
Citatione MLA (9a ed.)Matley, Marcel B. Building Your Phone Book Collection - A Gold Mine of Low-Cost Information. 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.