Sobrielo, A. (1976). A proposed English studies programme for the new certificate-in-education course at the Teacher's Training College, Singapore [microform]. Photoduplication Service. University of the Philippines Library.
Цитирование в стиле Чикаго (17-е изд.)Sobrielo, Amy. A Proposed English Studies Programme for the New Certificate-in-education Course at the Teacher's Training College, Singapore [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.
Цитирование MLA (9-е изд.)Sobrielo, Amy. A Proposed English Studies Programme for the New Certificate-in-education Course at the Teacher's Training College, Singapore [microform]. Photoduplication Service. University of the Philippines Library, 1976.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.