Bilas, R. (1967). Micro- economic theory/2nd ed (2nd ed.). Mc Graw hills.
Chicago Style aipamenaBilas, Richard. Micro- Economic Theory/2nd Ed. 2nd ed. Sydney: Mc Graw hills, 1967.
MLA aipamenaBilas, Richard. Micro- Economic Theory/2nd Ed. 2nd ed. Mc Graw hills, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.