APA Style

Hargrove, W.L.. (1988). Cropping strategies for efficient use of water and nitrogen . USA: American Society of Agronomy, Inc.

Chicago Style

Hargrove, W.L.. Cropping strategies for efficient use of water and nitrogen. USA: American Society of Agronomy, Inc, 1988. Buku Teks.

MLA Style

Hargrove, W.L.. Cropping strategies for efficient use of water and nitrogen. USA: American Society of Agronomy, Inc, 1988. Buku Teks.

Turabian Style

Hargrove, W.L.. Cropping strategies for efficient use of water and nitrogen. USA: American Society of Agronomy, Inc, 1988. Buku Teks.