Dyfyniad APA

Bhutan. National Environment Commission. (1999). Strategic environmental assessment: Sectoral guidelines. National Environment Commission.

Dyfyniad Arddull Chicago

Bhutan. National Environment Commission. Strategic Environmental Assessment: Sectoral Guidelines. Thimphu: National Environment Commission, 1999.

Dyfyniad MLA

Bhutan. National Environment Commission. Strategic Environmental Assessment: Sectoral Guidelines. National Environment Commission, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.