Beumer, B., & Anwir, B. M. p. (1985). Ilmu Bahan Logam Jilid 1. Bhratara Karya Aksara.
Chicago Style (17th ed.) CitationBeumer, B.J.M, and BS; Matondang; pent Anwir. Ilmu Bahan Logam Jilid 1. Bhratara Karya Aksara, 1985.
MLA (8th ed.) CitationBeumer, B.J.M, and BS; Matondang; pent Anwir. Ilmu Bahan Logam Jilid 1. Bhratara Karya Aksara, 1985.
Warning: These citations may not always be 100% accurate.