Παραπομπή APA

India. Directorate of National Sample Survey. (1969). National sample survey no. 150, 17th round tables with notes on housing condition. National Sample Survey Organisation.

Παραπομπή Chicago Style

India. Directorate of National Sample Survey. National Sample Survey No. 150, 17th Round Tables with Notes on Housing Condition. Delhi: National Sample Survey Organisation, 1969.

Παραπομπή MLA

India. Directorate of National Sample Survey. National Sample Survey No. 150, 17th Round Tables with Notes on Housing Condition. National Sample Survey Organisation, 1969.