Bibliografi : hlm. 245-250
Judul asli : "Digital body language : how to build trust and connection, no matter the distance"
Bibliografi : hlm. 443-446
Terbit pertama kali : Toko Indonesia, Weltervreden, 1928
Bibliografi : hlm. 229-237
No Inv.: 3745-3749/P/99/5c