Παραπομπή APA

Freij, L. (1976). Exploring child health and its ecology: The Kirkos Study in Addis Ababa : research frame project description and data evaluation. Umea (Sweden): Centraltryckeriet.

Παραπομπή Chicago Style

Freij, Lennart. Exploring Child Health and Its Ecology: The Kirkos Study in Addis Ababa : Research Frame Project Description and Data Evaluation. Umea (Sweden): Centraltryckeriet, 1976.

Παραπομπή MLA

Freij, Lennart. Exploring Child Health and Its Ecology: The Kirkos Study in Addis Ababa : Research Frame Project Description and Data Evaluation. Umea (Sweden): Centraltryckeriet, 1976.

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