APA ציטוט

IERS. (2013). IERS annual report 2011. Verlag des Bundesamts.

Chicago Edition Citation

IERS. IERS Annual Report 2011. Frankfurt am Main: Verlag des Bundesamts, 2013.

ציטוט MLA

IERS. IERS Annual Report 2011. Verlag des Bundesamts, 2013.