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
No Inv.: 2510-2511/Perp/89/2c~3959-3960/Pb/Perp/91/2c~2505-2507/P/Perp/92/3c~234-238/P/Perp/94/5c~935-936/P/Perp/94/2c~1336-1339/P/Perp/98/4c~118878-118879/P/Perp/09/2c~139745-139744/P/Perp/14/2c