APA استشهاد

Boulding, K. E. (1970). Economics as a science. Tata McGraw-Hill.

استشهاد بنمط شيكاغو

Boulding, Kenneth E. Economics as a Science. Bombay: Tata McGraw-Hill, 1970.

MLA استشهاد

Boulding, Kenneth E. Economics as a Science. Tata McGraw-Hill, 1970.