एपीए उद्धरण

Ansoff, H. I. (1969). Business strategy: Selected readings. London: Penguin Books.

शिकागो स्टाइल उद्धरण

Ansoff, H. Igor. Business Strategy: Selected Readings. London: Penguin Books, 1969.

एमएलए उद्धरण

Ansoff, H. Igor. Business Strategy: Selected Readings. London: Penguin Books, 1969.