Artikel Jurnal
Jusuf Panglaykim, 1922-1986, author
Yayasan Proklamasi, 1974
Buku Teks
Jusuf Panglaykim, 1922-1986, author
Centre for Strategic and International Studies, 1974
Buku Teks
Lovelock, Christopher H., author
Pearson Prentice Hall, 2001
Buku Teks
Lovelock, Christopher H., author
Prentice-Hall, 2000
Buku Teks