For workouts and training yourself, I think that you are correct. Look to the writings of Pavel Tsatsouline who has taken most of the Russian ideas and put them into a writing style that is very easy to understand.
There does not exist any sorce that should be taken without question. For a coach looking to structure the programing of a developing athlete, there is still a lot to be mined out of Roman, Verhoshansky, and others. Siff as well -- though he is a South African.