APA-ийн эшлэл(7 дахь хэвлэлт)

Knura, M. (2014). Companies and environmental impact: Identification and visualization of key ecological indicators. Diplomica Verlag.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Knura, Martin. Companies and Environmental Impact: Identification and Visualization of Key Ecological Indicators. Hamburg: Diplomica Verlag, 2014.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Knura, Martin. Companies and Environmental Impact: Identification and Visualization of Key Ecological Indicators. Diplomica Verlag, 2014.