APA citiranje

Hibbard, B. H. (1948). Agricultural economics. Mc Graw- Hill Book Company Inc.

Chicago Edition Citation

Hibbard, Benjamin Horace. Agricultural Economics. Newyork: Mc Graw- Hill Book Company Inc, 1948.

MLA citiranje

Hibbard, Benjamin Horace. Agricultural Economics. Mc Graw- Hill Book Company Inc, 1948.