Gaya APA

Babcock, A, K., Wilkins, G, A. (1988). The Earth's rotation and reference frames for geodesy and geodynamics . Boston: Kluwer Academic Publication.

Gaya MLA

Babcock, Alice, K.., Wilkins, George, A.. "The Earth's rotation and reference frames for geodesy and geodynamics". Boston: Kluwer Academic Publication, 1988. Text.