Παραπομπή APA

Walker, J., & Gastra, W. (1987). Techniques in molecular biology: Vol.2. Croom Helm.

Παραπομπή Chicago Style

Walker, John, και Wim Gastra. Techniques in Molecular Biology: Vol.2. London: Croom Helm, 1987.

Παραπομπή MLA

Walker, John, και Wim Gastra. Techniques in Molecular Biology: Vol.2. Croom Helm, 1987.