Popkin, B. M., & Gillian P. Hart, j. a. (1976). Income, time, the working mother and children nutrition [microfilm]. Photoduplication Service,University of the Philippines Library.
Citazione stile Chigago Style (17a edizione)Popkin, Barry Michael, e joint auth Gillian P. Hart. Income, Time, the Working Mother and Children Nutrition [microfilm]. Quezon City: Photoduplication Service,University of the Philippines Library, 1976.
Citatione MLA (9a ed.)Popkin, Barry Michael, e joint auth Gillian P. Hart. Income, Time, the Working Mother and Children Nutrition [microfilm]. Photoduplication Service,University of the Philippines Library, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.