Παραπομπή APA

Grass, G., & Manheim, R. (1992). call of the toad. Vintage.

Παραπομπή Chicago Style

Grass, Gunter, και Ralph Manheim. Call of the Toad. London: Vintage, 1992.

Παραπομπή MLA

Grass, Gunter, και Ralph Manheim. Call of the Toad. Vintage, 1992.