APA (7e ed.) Bronvermelding

Lao, M. V. (1976). Some characteristics of ever-married ever-pregnant women 49 years old in PGE sample areas who reported themselves as never ever having used any planning method. Bohol Province MCH/FP Project.

Chicago (17e ed.) Bronvermelding

Lao, Menelea V. Some Characteristics of Ever-married Ever-pregnant Women 49 Years Old in PGE Sample Areas Who Reported Themselves as Never Ever Having Used Any Planning Method. Tagbilaran City: Bohol Province MCH/FP Project, 1976.

MLA (9e ed.) Bronvermelding

Lao, Menelea V. Some Characteristics of Ever-married Ever-pregnant Women 49 Years Old in PGE Sample Areas Who Reported Themselves as Never Ever Having Used Any Planning Method. Bohol Province MCH/FP Project, 1976.