Não informado. (2014). Monographs. Saito Gratitude Foundation, General Department of Scientific Research.
Citace podle Chicago (17th ed.)Não informado. Monographs. Sendai, Japão: Saito Gratitude Foundation, General Department of Scientific Research, 2014.
Citace podle MLA (8th ed.)Não informado. Monographs. Saito Gratitude Foundation, General Department of Scientific Research, 2014.
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