Gaya APA

Triska, R, E, Q, A, D. (1990). Optimal decisions in markets and planned economies . United States Of America: McGraw-Hill Higher Education.

Gaya MLA

Triska, Richard, E., Quandt, And, Dusan. "Optimal decisions in markets and planned economies". United States Of America: McGraw-Hill Higher Education, 1990. Teks.