Perkins, G. (1966). Varieties of prose. Scott, Foresman and Co.
Cita Chicago Style (17a ed.)Perkins, George. Varieties of Prose. Illinois, Estados Unidos: Scott, Foresman and Co, 1966.
Cita MLA (9a ed.)Perkins, George. Varieties of Prose. Scott, Foresman and Co, 1966.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.