APA-čujuhus (7. p.)
Porter, D. (1970). Technical and vocational Education: 6 area studies. With special reference to developments in curriculum, syllabus and teaching methods in technical/vocational schools and colleges (age range 15 to 19). Council for Cultural Cooperation of the Council of Europe.
Chicago-čujuhus (17. p.)
Porter, D. Technical and Vocational Education: 6 Area Studies. With Special Reference to Developments in Curriculum, Syllabus and Teaching Methods in Technical/vocational Schools and Colleges (age Range 15 to 19). Strasbourg: Council for Cultural Cooperation of the Council of Europe, 1970.
MLA-čujuhus (9. p.)
Porter, D. Technical and Vocational Education: 6 Area Studies. With Special Reference to Developments in Curriculum, Syllabus and Teaching Methods in Technical/vocational Schools and Colleges (age Range 15 to 19). Council for Cultural Cooperation of the Council of Europe, 1970.
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