Παραπομπή APA

(1958). Visual problems of colour: A symposium held at the National Physical Laboratory on 23rd, 24th, 25th September 1957. London: Her Majesty's Stationery Office.

Παραπομπή Chicago Style

Visual Problems of Colour: A Symposium Held At the National Physical Laboratory On 23rd, 24th, 25th September 1957. London: Her Majesty's Stationery Office, 1958.

Παραπομπή MLA

Visual Problems of Colour: A Symposium Held At the National Physical Laboratory On 23rd, 24th, 25th September 1957. London: Her Majesty's Stationery Office, 1958.

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