DOMAN, D. (1997). Look Before You Leap: Marker Research Made Easy Lakukan Sendiri Riset Pasar Anda / Don Doman. Gramedia.
Lua i Stíl Chicago (17ú heag.)DOMAN, Dom. Look Before You Leap: Marker Research Made Easy Lakukan Sendiri Riset Pasar Anda / Don Doman. Gramedia, 1997.
Lua MLA (8ú heag.)DOMAN, Dom. Look Before You Leap: Marker Research Made Easy Lakukan Sendiri Riset Pasar Anda / Don Doman. Gramedia, 1997.
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