Παραπομπή σε μορφή APA (7η εκδ.)

Ahlgren, G. (1979). Relationship between algal growth and nutrient concentration in chemostat culture and natural populations. The University ; Distributed by Almqvist & Wiksell International.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ahlgren, Gunnel. Relationship Between Algal Growth and Nutrient Concentration in Chemostat Culture and Natural Populations. Uppsala : Stockholm: The University ; Distributed by Almqvist & Wiksell International, 1979.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ahlgren, Gunnel. Relationship Between Algal Growth and Nutrient Concentration in Chemostat Culture and Natural Populations. The University ; Distributed by Almqvist & Wiksell International, 1979.