Maas, J. L. (1998). Compendium of strawberry diseases (2a. ed.). APS.
Cita Chicago (17th ed.)Maas, J. L. Compendium of Strawberry Diseases. 2a. ed. Minneapolis: APS, 1998.
Cita MLA (9th ed.)Maas, J. L. Compendium of Strawberry Diseases. 2a. ed. APS, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.