Cita APA (7th ed.)

Cartwright, A., & Wilkins, W. (1976). Changes in family building plans: A follow up study to "How many children?". H.M. Stationery Off..

Cita Chicago (17th ed.)

Cartwright, Ann, i Warwick Wilkins. Changes in Family Building Plans: A Follow Up Study to "How Many Children?". London: H.M. Stationery Off., 1976.

Cita MLA (8th ed.)

Cartwright, Ann, i Warwick Wilkins. Changes in Family Building Plans: A Follow Up Study to "How Many Children?". H.M. Stationery Off., 1976.