APA (7th ed.) Citation

OECD. (1991). Environmental Labelling In OECD Countries (1. Edisyon.). OECD.

Chicago Style (17th ed.) Citation

OECD. Environmental Labelling In OECD Countries. 1. Edisyon. Paris: OECD, 1991.

MLA (9th ed.) Citation

OECD. Environmental Labelling In OECD Countries. 1. Edisyon. OECD, 1991.