APA-viite (7. p.)

Hopman, W. P. M. (1984). Plasma cholecystokinin and gallbladder responses to nutrients in man. s.n.].

Chicago-viite (17. p.)

Hopman, Wilhelmus Petrus Marius. Plasma Cholecystokinin and Gallbladder Responses to Nutrients in Man. [S.l.: s.n.], 1984.

MLA-viite (8. p.)

Hopman, Wilhelmus Petrus Marius. Plasma Cholecystokinin and Gallbladder Responses to Nutrients in Man. s.n.], 1984.