Johnson, Richard A.
Pearson Education International, 2007
Buku Teks
Diamond, Solomon
Basic Book , 1959
Buku Teks
Universitas Indonesia, 2006
UI - Skripsi (Membership)
editor, Michael S. Lewis-Beck
Sage Publications, Toppan Publishing, 1993
Buku Referensi
Michael Mario Bramanthyo Adhi
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2023
UI - Skripsi Membership