National Development Group for Educational Innovation & Sumagaysay, L. S. (1980). In-service education for primary teachers: Design formulation. National Development Group for Educational Innovation.
Style de citation Chicago (17e éd.)National Development Group for Educational Innovation et Lourdes S. Sumagaysay. In-service Education for Primary Teachers: Design Formulation. Manila: National Development Group for Educational Innovation, 1980.
Style de citation MLA (9e éd.)National Development Group for Educational Innovation et Lourdes S. Sumagaysay. In-service Education for Primary Teachers: Design Formulation. National Development Group for Educational Innovation, 1980.
Attention : ces citations peuvent ne pas être correctes à 100%.