Lopshi/ts, A. M. (1963). Computation of areas of oriented figures. Heath.
Chicago Style aipamenaLopshi/ts, A. M. Computation of Areas of Oriented Figures. Boston: Heath, 1963.
MLA aipamenaLopshi/ts, A. M. Computation of Areas of Oriented Figures. Heath, 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.