Erven, E. v. (1989). Stages of people power: The Philippines Educational Theater Association. Center for the Study of Education in Developing Countries.
Citace podle Chicago (17th ed.)Erven, Eugene van. Stages of People Power: The Philippines Educational Theater Association. The Hague: Center for the Study of Education in Developing Countries, 1989.
Citace podle MLA (9th ed.)Erven, Eugene van. Stages of People Power: The Philippines Educational Theater Association. Center for the Study of Education in Developing Countries, 1989.
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