APA
BARZ W., . (1977). Plant tissue culture and its biotechnological application: Proceedings of the first International Congress on Medicinal plant research. Germany.1976. Berlin: Springer.
Chicago
BARZ W, . 1977. Plant tissue culture and its biotechnological application: Proceedings of the first International Congress on Medicinal plant research. Germany.1976. Berlin: Springer.
Harvard
BARZ W., . (1977). Plant tissue culture and its biotechnological application: Proceedings of the first International Congress on Medicinal plant research. Germany.1976. Berlin: Springer.
MLA
BARZ W, . Plant tissue culture and its biotechnological application: Proceedings of the first International Congress on Medicinal plant research. Germany.1976. Berlin: Springer. 1977.