No Inv.: 132128-132132/P/Perp/94/5c
Bibliografi : hlm. 91-93
Judul asli : "Rapid Assessment of Sources of Air, Water and Land Population"
Bibliografi : hlm. 101 - 102
Judul Asli : First class an Introduction to travel and tourism
Bibliografi : hlm. 183 - 188
Bibliografi : hlm. 419 - 421
No Inv.: 2004/P/Perp/92/1c~14602/P/Perp/94/1c
No Inv.: 904/Perp/83/1c
No Inv.: 119529-119531/P/Perp/09/3c