APA (7e ed.) Bronvermelding

Johnstone, D. (1994). Greens in the European Parliament: A new sense of purpose for Europe, record and prospects of the first Green Political Group in the European Parliament. The Parliament.

Chicago (17e ed.) Bronvermelding

Johnstone, Diana. Greens in the European Parliament: A New Sense of Purpose for Europe, Record and Prospects of the First Green Political Group in the European Parliament. [Brussels, Begium]: The Parliament, 1994.

MLA (8e ed.) Bronvermelding

Johnstone, Diana. Greens in the European Parliament: A New Sense of Purpose for Europe, Record and Prospects of the First Green Political Group in the European Parliament. The Parliament, 1994.