APA-viite

Poulios, C., Koletsa, T., Goulas, A., Karayannopoulou, G., Vrettou, E., & Kostopoulos, I. (2013). Gastric Carcinoma with Osteoclast-Like Giant Cells Coexisting with Gastrointestinal Spindle Cell Tumor. Hindawi Publishing Corporation.

Chicago-tyylinen lähdeviittaus

Poulios, Christos, Triantafyllia Koletsa, Antonis Goulas, Georgia Karayannopoulou, Eleni Vrettou, ja Ioannis Kostopoulos. Gastric Carcinoma With Osteoclast-Like Giant Cells Coexisting With Gastrointestinal Spindle Cell Tumor. Hindawi Publishing Corporation, 2013.

MLA-viite

Poulios, Christos, et al. Gastric Carcinoma With Osteoclast-Like Giant Cells Coexisting With Gastrointestinal Spindle Cell Tumor. Hindawi Publishing Corporation, 2013.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.