APA-viite (7. p.)

Huppe, H. (2007). Eco-balance at product level: Assessment of the environmental impacts in the production of a catalytic converter for passenger cars.

Chicago-viite (17. p.)

Huppe, Harald. Eco-balance at Product Level: Assessment of the Environmental Impacts in the Production of a Catalytic Converter for Passenger Cars. Jyväskylä, 2007.

MLA-viite (9. p.)

Huppe, Harald. Eco-balance at Product Level: Assessment of the Environmental Impacts in the Production of a Catalytic Converter for Passenger Cars. 2007.