Cita APA (7a ed.)

Hass, P. M. (1993). Institution for the earth sources of effective international environmental protection. s.l.

Cita Chicago Style (17a ed.)

Hass, Peter M. Institution for the Earth Sources of Effective International Environmental Protection. Institution For The Earth: s.l, 1993.

Cita MLA (8a ed.)

Hass, Peter M. Institution for the Earth Sources of Effective International Environmental Protection. s.l, 1993.