APA aipamena

SHIRLAW,Gilchrist.D. (1955). SOIL FERTILITY. JOHN WILEY & SONS, INC.

Chicago Style aipamena

SHIRLAW,Gilchrist.D. SOIL FERTILITY. NEW YORK: JOHN WILEY & SONS, INC, 1955.

MLA aipamena

SHIRLAW,Gilchrist.D. SOIL FERTILITY. JOHN WILEY & SONS, INC, 1955.