Riebmalai, U. (1969). Intermediate science teaching in some selected Philippine laboratory school: Its implications for Undorthani Teachers's College, Udorthani, Thailand. s.n.].
Citazione stile Chigago Style (17a edizione)Riebmalai, Ubol. Intermediate Science Teaching in Some Selected Philippine Laboratory School: Its Implications for Undorthani Teachers's College, Udorthani, Thailand. [Quezon City: s.n.], 1969.
Citatione MLA (9a ed.)Riebmalai, Ubol. Intermediate Science Teaching in Some Selected Philippine Laboratory School: Its Implications for Undorthani Teachers's College, Udorthani, Thailand. s.n.], 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.