Citazione Stile APA (7a Edizione)

Ericta, C. N. (1993). Development of a soil-based sampling frame for Davao del Norte. Philippine Statistical Association through a grant from the United States Agency for International Development.

Citazione stile Chigago Style (17a edizione)

Ericta, Carmelita Nuguid. Development of a Soil-based Sampling Frame for Davao Del Norte. Quezon City: Philippine Statistical Association through a grant from the United States Agency for International Development, 1993.

Citatione MLA (9a ed.)

Ericta, Carmelita Nuguid. Development of a Soil-based Sampling Frame for Davao Del Norte. Philippine Statistical Association through a grant from the United States Agency for International Development, 1993.