(1995). Friend21 human interface architecture guidelines. Tokyo: Institute for Personalized Information Environment.
शिकागो स्टाइल उद्धरणFriend21 Human Interface Architecture Guidelines. Tokyo: Institute for Personalized Information Environment, 1995.
एमएलए उद्धरणFriend21 Human Interface Architecture Guidelines. Tokyo: Institute for Personalized Information Environment, 1995.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.