APA استشهاد

Quinlan, M. M. (1984). Mulches from two tropical tree species Erythrina poeppigiana (Walpers) O.F. Cook and Gmelina arborea Rox. as nitrogen sources in the production of maize (Zea mays L.).

استشهاد بنمط شيكاغو

Quinlan, Mary M. Mulches From Two Tropical Tree Species Erythrina Poeppigiana (Walpers) O.F. Cook and Gmelina Arborea Rox. As Nitrogen Sources in the Production of Maize (Zea Mays L.). 1984.

MLA استشهاد

Quinlan, Mary M. Mulches From Two Tropical Tree Species Erythrina Poeppigiana (Walpers) O.F. Cook and Gmelina Arborea Rox. As Nitrogen Sources in the Production of Maize (Zea Mays L.). 1984.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.