Gaya APA

Goldstein, J, L, F. (2019). Material value: more sustainable, less wasteful manufacturing of everything from cell phones to cleaning products . USA: CPSIA.

Gaya MLA

Goldstein, Julia, L., F.. "Material value: more sustainable, less wasteful manufacturing of everything from cell phones to cleaning products". USA: CPSIA, 2019. Buku Cetak.