Tuttle, R. E., & Brown, C. (1956). Writing useful reports: Principles and applications. Appleton-Century-Crofts.
Citazione stile Chigago Style (17a edizione)Tuttle, Robert Eugene., e Colin Brown. Writing Useful Reports: Principles and Applications. New York: Appleton-Century-Crofts, 1956.
Citatione MLA (9a ed.)Tuttle, Robert Eugene., e Colin Brown. Writing Useful Reports: Principles and Applications. Appleton-Century-Crofts, 1956.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.