Dyfyniad APA

Al-Ekabi, C., Baranes, B., Hulsroj, P., & Lahcen, A. (2015). Yearbook on Space Policy 2012/2013: Space in a Changing World. Springer.

Dyfyniad Arddull Chicago

Al-Ekabi, C., B. Baranes, P. Hulsroj, và A. Lahcen. Yearbook On Space Policy 2012/2013: Space in a Changing World. Springer, 2015.

Dyfyniad MLA

Al-Ekabi, C., B. Baranes, P. Hulsroj, và A. Lahcen. Yearbook On Space Policy 2012/2013: Space in a Changing World. Springer, 2015.

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