Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Boev, Z. (1997). The black grouse. Tetrao tetrix (L., 1758) (Tetraonidae, Aves), a disappeared species in Bulgaria (Paleolithic and Neolithic records).

Chicago Citation Edition Citation

Boev, Zlatozar. The Black Grouse. Tetrao Tetrix (L., 1758) (Tetraonidae, Aves), a Disappeared Species in Bulgaria (Paleolithic and Neolithic Records). 1997.

MLA Citation Edition Citation

Boev, Zlatozar. The Black Grouse. Tetrao Tetrix (L., 1758) (Tetraonidae, Aves), a Disappeared Species in Bulgaria (Paleolithic and Neolithic Records). 1997.