Widianto, H., & Simanjuntak, T. (2010). Sangiran answering the world (2nd edition.). Ministry of Education and Culture, Directorate General of Culture, Conservation Office of Sangiran Early Man Site.
Citace podle Chicago (17th ed.)Widianto, Harry, a Truman Simanjuntak. Sangiran Answering the World. 2nd edition. [Sragen, Indonesia]: Ministry of Education and Culture, Directorate General of Culture, Conservation Office of Sangiran Early Man Site, 2010.
Citace podle MLA (9th ed.)Widianto, Harry, a Truman Simanjuntak. Sangiran Answering the World. 2nd edition. Ministry of Education and Culture, Directorate General of Culture, Conservation Office of Sangiran Early Man Site, 2010.
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