Παραπομπή σε μορφή APA (7η εκδ.)

SULLIVAN, K. E. (1971). Paragraph practice: Text and exercise in the topicsentence, the paragraph, and the ... -- 2nd ed. Collier-Macmillan.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SULLIVAN, Katleen E. Paragraph Practice: Text and Exercise in the Topicsentence, the Paragraph, and the ... -- 2nd Ed. London: Collier-Macmillan, 1971.

Παραπομπή σε μορφή MLA (9th εκδ.)

SULLIVAN, Katleen E. Paragraph Practice: Text and Exercise in the Topicsentence, the Paragraph, and the ... -- 2nd Ed. Collier-Macmillan, 1971.