APA استشهاد

Ruggles,Richard, & Ruggles,Nancy D. (1986). National income accounts and income analysis (2.). Khosla.

استشهاد بنمط شيكاغو

Ruggles,Richard, و Ruggles,Nancy D. National Income Accounts and Income Analysis. 2. Delhi: Khosla, 1986.

MLA استشهاد

Ruggles,Richard, و Ruggles,Nancy D. National Income Accounts and Income Analysis. 2. Khosla, 1986.