Vernon, G. (1980). Sugars and sirups from Canada. Washington: United States international trade commission.
Stile di citazione ChicagoVernon, Greer. Sugars and Sirups From Canada. Washington: United States international trade commission, 1980.
Citazione MLAVernon, Greer. Sugars and Sirups From Canada. Washington: United States international trade commission, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.