Παραπομπή σε μορφή APA (7η εκδ.)

Ismail, S. N. A. (1975). Micromorphometric soil-porosity characterization by means of electro-optical image analysis (Quantimet 720). Soil Survey Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ismail, S. N. A. Micromorphometric Soil-porosity Characterization by Means of Electro-optical Image Analysis (Quantimet 720). Wageningen, Netherlands: Soil Survey Institute, 1975.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ismail, S. N. A. Micromorphometric Soil-porosity Characterization by Means of Electro-optical Image Analysis (Quantimet 720). Soil Survey Institute, 1975.