Cita APA

Wackernagel, M. (1996). Our ecological footprint: Reducing human impact on the earth. Gabriola Island: New Society Publishers.

Chicago Style Citation

Wackernagel, Mathis. Our Ecological Footprint: Reducing Human Impact On the Earth. Gabriola Island: New Society Publishers, 1996.

Cita MLA

Wackernagel, Mathis. Our Ecological Footprint: Reducing Human Impact On the Earth. Gabriola Island: New Society Publishers, 1996.

Atenció: Aquestes cites poden no estar 100% correctes.