International convention for the protection of new varieties of plants of December 2, 1961, and additional Act of November 10, 1972 and revised text of October 23, 1978.

MLA

International Convention for the Protection of New Varieties of Plants of December 2, 1961, and Additional Act of November 10, 1972 and Revised Text of October 23, 1978. Genève: Internat. Union for the Protection of New Varieties of Plants, 1979.

APA

(1979). International convention for the protection of new varieties of plants of December 2, 1961, and additional Act of November 10, 1972 and revised text of October 23, 1978. Genève: Internat. Union for the Protection of New Varieties of Plants.

Chicago

International Convention for the Protection of New Varieties of Plants of December 2, 1961, and Additional Act of November 10, 1972 and Revised Text of October 23, 1978. Genève: Internat. Union for the Protection of New Varieties of Plants, 1979.