Perez-Cabal, Ma Angeles, editor
Wageningen Academic, 2011
eBooks
Woodhead, 2014
eBooks
Poignant, Axel, author
Angus and Robertson, 1965
Buku Teks
Hurtsthouse, Rosalind, author
Routledge, 2000
Buku Teks
Toho Dustin Sutomo, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2018
UI - Skripsi (Membership)