Παραπομπή APA

Udofia, G. A. (1980). Village enumeration and building count: Cross River State, Nigeria. Calabar: Rural Maternal and Child Health. Family Planning Programme.

Παραπομπή Chicago Style

Udofia, Godwin A. Village Enumeration and Building Count: Cross River State, Nigeria. Calabar: Rural Maternal and Child Health. Family Planning Programme, 1980.

Παραπομπή MLA

Udofia, Godwin A. Village Enumeration and Building Count: Cross River State, Nigeria. Calabar: Rural Maternal and Child Health. Family Planning Programme, 1980.

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