APA-viite (7. p.)
SpringerLink (Online service), Lancaster, G., & Thabane, L. Pilot and Feasibility Studies. BioMed Central : Imprint: BioMed Central.
Chicago-viite (17. p.)
SpringerLink (Online service), Gillian Lancaster, ja Lehana Thabane. Pilot and Feasibility Studies. London: BioMed Central : Imprint: BioMed Central.
MLA-viite (9. p.)
SpringerLink (Online service), et al. Pilot and Feasibility Studies. BioMed Central : Imprint: BioMed Central.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.