Gw mau tau Lihat pula dari Pandangan dunia

Aerts, Diederick, Apostel, Leo, De Moor, Bart, Hellemans, Staff, Maex, Edel, Van Belle, Hubert, Van der Veken, Jan. 1994. "World views. From Fragmentation to Integration" . VUB Press. Translation of (Apostel and Van der Veken 1991) with some additions. – The basic book of World Views, from the Center Leo Apostel.

Apostel, Leo and Van der Veken, Jan. (1991) Wereldbeelden, DNB/Pelckmans.