Thailand. National Economic Development Board. (1967). National income of Thailand. s.n.
Citazione stile Chigago Style (17a edizione)Thailand. National Economic Development Board. National Income of Thailand. Bangkok: s.n, 1967.
Citatione MLA (9a ed.)Thailand. National Economic Development Board. National Income of Thailand. s.n, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.