Citazione Stile APA (7a Edizione)

Williamson, N. E. (1977). A comparison of family planning users in the project and non-project areas: Bohol, 1975. Bohol MCH/FP Project.

Citazione stile Chigago Style (17a edizione)

Williamson, Nancy E. A Comparison of Family Planning Users in the Project and Non-project Areas: Bohol, 1975. Tagbilaran City: Bohol MCH/FP Project, 1977.

Citatione MLA (9a ed.)

Williamson, Nancy E. A Comparison of Family Planning Users in the Project and Non-project Areas: Bohol, 1975. Bohol MCH/FP Project, 1977.