Παραπομπή APA

Morel, J. (1957). Scientific eatering and hotel operating. Sir Isaac pitman and sons.

Παραπομπή Chicago Style

Morel, J.J. Scientific Eatering and Hotel Operating. London: Sir Isaac pitman and sons, 1957.

Παραπομπή MLA

Morel, J.J. Scientific Eatering and Hotel Operating. Sir Isaac pitman and sons, 1957.