एपीए उद्धरण

Philips. (1969). Philips in the developing countries 1969-1975. U.S.A: Philips in the Developing Countries.

शिकागो स्टाइल उद्धरण

Philips. Philips in the Developing Countries 1969-1975. U.S.A: Philips in the Developing Countries, 1969.

एमएलए उद्धरण

Philips. Philips in the Developing Countries 1969-1975. U.S.A: Philips in the Developing Countries, 1969.