Bibliografi : hlm. 591-666 No Inv.: 111174-111178/P/Perp/07/5c~118124-118126/P/Perp/09/3c~127262-127269/P/Perp/10/5c
Perpustakaan memiliki 3 jilid
No. Inv. : 146311-146312/P/Perp/15/2c
No Inv.: 3639/H/Perp/86/1c
No Inv.: 128027/SM/Perp/10/1c
Judul asli : "The Psychology of Vocational Choice"
No Inv.: 1317-1319/BD/Perp/91/3c
No Inv.: 1286-1288/BD/Perp/91/3c