Cytowanie według stylu APA (wyd. 7)

Barrido, N. Protein determination of "Kuhol" (Ampullaria cuprinos) at different age levels and the survey of its use as feed supplement for ducks.

Cytowanie według stylu Chicago (wyd. 17)

Barrido, Nenita. Protein Determination of "Kuhol" (Ampullaria Cuprinos) at Different Age Levels and the Survey of Its Use as Feed Supplement for Ducks. 1989.

Cytowanie według stylu MLA (wyd. 9)

Barrido, Nenita. Protein Determination of "Kuhol" (Ampullaria Cuprinos) at Different Age Levels and the Survey of Its Use as Feed Supplement for Ducks.