Παραπομπή APA

Loaiza, J., Valverde, R., Rodríguez, G., & Molina, J. (2004). Quantitative analyses of the main che mical constituents in the roots of Echinacea purpurea and E. angustifolia produced in Cos ta Rica.

Παραπομπή Chicago Style

Loaiza, Jorge, Roberto Valverde, Gerardo Rodríguez, και Jorge Molina. Quantitative Analyses of the Main Che Mical Constituents in the Roots of Echinacea Purpurea and E. Angustifolia Produced in Cos Ta Rica. 2004.

Παραπομπή MLA

Loaiza, Jorge, Roberto Valverde, Gerardo Rodríguez, και Jorge Molina. Quantitative Analyses of the Main Che Mical Constituents in the Roots of Echinacea Purpurea and E. Angustifolia Produced in Cos Ta Rica. 2004.

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