Wolff, P. M., Clarke, L., & Laevastu, T. (1969). Oceanic part of the hydrological cycle: A review on evaporation and precipitation over the oceans and transport of water vapour across the continental boundaries. World Meteorological Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wolff, Paul M., L. Clarke, و Taivo Laevastu. Oceanic Part of the Hydrological Cycle: A Review on Evaporation and Precipitation over the Oceans and Transport of Water Vapour Across the Continental Boundaries. Geneva: World Meteorological Organization, 1969.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Wolff, Paul M., et al. Oceanic Part of the Hydrological Cycle: A Review on Evaporation and Precipitation over the Oceans and Transport of Water Vapour Across the Continental Boundaries. World Meteorological Organization, 1969.