APA

Ja.Van Zyl D., Hutchison L. P. G., . (1988). Introduction to Evaluation, Design, and Operation of Precious Metal Heap Leaching Projects. Johannesburg- Sudafrica: Society of Mining Engineers.

Chicago

Ja.Van Zyl Dirk, Hutchison Lan P G, . 1988. Introduction to Evaluation, Design, and Operation of Precious Metal Heap Leaching Projects. Johannesburg- Sudafrica: Society of Mining Engineers.

Harvard

Ja.Van Zyl D., Hutchison L. P. G., . (1988). Introduction to Evaluation, Design, and Operation of Precious Metal Heap Leaching Projects. Johannesburg- Sudafrica: Society of Mining Engineers.

MLA

Ja.Van Zyl Dirk, Hutchison Lan P G, . Introduction to Evaluation, Design, and Operation of Precious Metal Heap Leaching Projects. Johannesburg- Sudafrica: Society of Mining Engineers. 1988.