Cita APA (7th ed.)

David, I. P. (1985). Keeping sample survey design and analysis simple. Asian Development Bank Economics Office.

Cita Chicago (17th ed.)

David, I. P. Keeping Sample Survey Design and Analysis Simple. Manila: Asian Development Bank Economics Office, 1985.

Cita MLA (9th ed.)

David, I. P. Keeping Sample Survey Design and Analysis Simple. Asian Development Bank Economics Office, 1985.