Truett, L. J. (1987). Microeconomics. Mosby College.
Chicago Style (17th ed.) ZitazioaTruett, Lila J. Microeconomics. St. Louis: Mosby College, 1987.
MLA (9th ed.) ZitazioaTruett, Lila J. Microeconomics. Mosby College, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.