Bibliografi : hlm. 153-155
Bibliografi : hlm. 219-222
Terdapat bibliografi
Judul asli : "The book of overthinking : how to stop the cycle of worry"
Bibliografi : hlm. 229-237
No Inv.: 144033/Sm/Perp/14/1c
No. Inv. : 146136-146137/P/Perp/15/2c
No Inv.: 77501-77516/S/01/16c
Bibliografi : hlm. 437- 444
Bibliografi : hlm. 305-313 No Inv.: 133921/SM/Perp/13/1c