Salazar, B. M., Gunda, D. M., Santos, P. J. A., & del Rosario, E. E. (2019). Profiling and analysis of reproductive phenology of four coffee (Coffea spp.) species in the Philippines using the BBCH Scale. The Philippine Journal of Crop Science.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Salazar, Bong M., Danilyn M. Gunda, Primitivo Jose A. Santos, و Edwin E. del Rosario. "Profiling and Analysis of Reproductive Phenology of Four Coffee (Coffea Spp.) Species in the Philippines Using the BBCH Scale." The Philippine Journal of Crop Science 2019.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Salazar, Bong M., et al. "Profiling and Analysis of Reproductive Phenology of Four Coffee (Coffea Spp.) Species in the Philippines Using the BBCH Scale." The Philippine Journal of Crop Science, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.