Levine, Karen
Keeping life simple : guiding principles 500 tips & ideas/Karem Levine
Vermont Storey Books, 1996
 Buku Teks
Hildebrand, Verna
Guiding young children
Macmillan, 1985
 Buku Teks
Coburn, Ronelle
Destiny at your fingertips: discover the inner purpose of your life and what it takes to live it
Liewellyn Publications, 2008
 Buku Teks SO
Dimas Rayindra Putra
Analisis manajemen siklus hidup produk dalam produk otomotif segmen multi-purpose vehicle = Product life cycle analysis of automotive products on multi purpose vehicle's mpv segment
Fakultas Teknik Universitas Indonesia, 2016
 UI - Skripsi Membership
Oka A. Yoeti
Guiding system : suatu pengantar praktis
Pradnya Paramita, 1991
 Buku Teks SO