Gaya APA

ERIK, P, M, A, S, R, A, V, &, S. (2019). GRAND CHALLENGES FOR SCIENCE IN THE 21ST CENTURY . : World Scientific Publishing Co.

Gaya MLA

ERIK, PELETIER, MARK, A,, SANTEN, RUTGER, A, VAN, &, STEUR. "GRAND CHALLENGES FOR SCIENCE IN THE 21ST CENTURY". : World Scientific Publishing Co, 2019. S2-Pendidikan Bahasa Arab.