Periodisitas sifat unsur

Achmad, Hiskia. 1992. "Kimia Unsur dan Radiokimia". Bandung: PT Citra Aditya Bakti
Atkins,P.W., T.L. Overton, J.P. Rourke, M.T. Weller, and F.A. Armstrong. 2010. "Inorganic Chemistry". Great Britain: Oxford University Press
Heslop, R.B., P.L. Robinson. 1960. "Inorganic Chemistry , A Guide to Advanced Study". London: Elsevier Publishing Company
Macmillan. 1957. "A Text Book of Inorganic Chemistry". New York: St Martin’s Press
Mackay, K.M., R. Ann Mackay. 1974. "Introduction to Modern Inorganic Chemistry 2nd Edition". Kingswood: International Textbook Company Limited
Petrucci, Ralph H – Suminar. 1996. "Kimia Dasar, Prinsip dan Terapan Modern". Jakarta: Erlangga
Rosenberg, Jerome L. – Jasjfi. 1992. "Seri Buku Schaum Teori dan Soal-Soal Kimia Dasar". Jakarta: Erlangga
Syukri, S. 1999. "Kimia Dasar". Bandung: ITB