APA

Volunteers in Techical Assistance, . (1980). Solar water heater. Mt. Rainier, Maryland: Volunteers in Techical Assistance.

Chicago

Volunteers in Techical Assistance, . 1980. Solar water heater. Mt. Rainier, Maryland: Volunteers in Techical Assistance.

Harvard

Volunteers in Techical Assistance, . (1980). Solar water heater. Mt. Rainier, Maryland: Volunteers in Techical Assistance.

MLA

Volunteers in Techical Assistance, . Solar water heater. Mt. Rainier, Maryland: Volunteers in Techical Assistance. 1980.