Παραπομπή APA

India. Directorate of National Sample Survey. (1959). National sample survey no. 18, 4th round April - Sept. 1952 tables with notes on consumer expenditure. National Sample Survey organisation.

Παραπομπή Chicago Style

India. Directorate of National Sample Survey. National Sample Survey No. 18, 4th Round April - Sept. 1952 Tables with Notes on Consumer Expenditure. Delhi: National Sample Survey organisation, 1959.

Παραπομπή MLA

India. Directorate of National Sample Survey. National Sample Survey No. 18, 4th Round April - Sept. 1952 Tables with Notes on Consumer Expenditure. National Sample Survey organisation, 1959.