1. 1. Spradley J. The Ethnographic New York: Holt Rinehart & Winston; 1979.
2. 2. Malinowski B. Argonauts of the Western cific. New York: EP Dutton; 1922.
3. 3. Boas F. Recent anthropology. Science. 98:311-314 334-337.
4. 4. Pike K. Language in Relation to a Theory of the Structure of Human Glendale Calif: Summer Institute of Linguitics; 1954: vol 1.
5. 5. Leininger M ed. Qualitative Research Methods in Nursing. New York: Grune & Stratton; 1985.