Gaya APA

Rerkarsem, B. et al (1997). Soil Science And Plant Nutrition Vol. 43 Desember 1997 (Vol. 43). Harvard University: Japanes Society of Soil Science And Plant Nutrition.

Gaya MLA

Rerkarsem, B.. et al. "Soil Science And Plant Nutrition Vol. 43 Desember 1997". Vol. 43 Harvard University: Japanes Society of Soil Science And Plant Nutrition, 1997. Text.